Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Mailman - CVE-2021-43332

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Main Vulnerability Database Vulnerabilities #VU58350

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Mailman - CVE-2021-43332

Published: November 24, 2021


Vulnerability identifier: #VU58350
CSH Severity: Low
CVSSv4.0: 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
Vulnerable software:
Mailman
Software vendor:
GNU

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.


Remediation

Install update from vendor's website.

External links