Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Mailman - CVE-2021-43332
Published: November 24, 2021
Vulnerability identifier: #VU58350
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-43332
CWE-ID: CWE-338
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Mailman
Mailman
Detailed vulnerability description
The vulnerability allows a remote user to perform a brute-force attack.
The vulnerability exists due to the CSRF token for the Cgi/admindb.py admindb page contains an encrypted version of the list admin password. A remote user with moderator privileges can perform a brute-force attack against the token and obtain administrator's password.
How to mitigate CVE-2021-43332
Install update from vendor's website.