(CVE-2022-41352) Zimbra Unauthenticated RCE

Nytro · November 14, 2022

(CVE-2022-41352) Zimbra Unauthenticated RCE

CVE-2022-41352 is an arbitrary file write vulnerability in Zimbra mail servers due to the use of a vulnerable cpio version.

Affected Zimbra versions:

Zimbra <9.0.0.p27
Zimbra <8.8.15.p34

(Refer to the patch notes for more details.)

Remediation:

In order to fix the vulnerability apply the latest patch (9.0.0.p27 and 8.8.15.p34 respectively) - or install pax and restart the server.

Usage:

You can either use flags or manipulate the default configuration in the script manually (config block at the top). Use -h for help.

$ python cve-2022-41352.py -h

$ vi cve-2022-41352.py
# Change the config items.

$ python cve-2022-41352.py manual
# This will create an attachment that you can then send to the target server.
# The recipient does not necessarily have to exist - if the email with the attachment is parsed by the server the arbitrary file write in cpio will be triggered.

Example: