#VU58347 Cross-site request forgery in Mailman


Published: 2021-11-24 | Updated: 2021-12-06

Vulnerability identifier: #VU58347

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-42097

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mailman
Web applications / Webmail solutions

Vendor: GNU

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and take over the admin account, as the csrf_token value is not specific to a single user account.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Mailman: 2.0 - 2.1b1


External links
http://mail.python.org/archives/list/mailman-announce@python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/
http://bugs.launchpad.net/mailman/+bug/1947640
http://www.openwall.com/lists/oss-security/2021/10/21/4


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability