SB2020063009 - Content injection in GNU Mailman
Published: June 30, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Code Injection (CVE-ID: CVE-2020-15011)
CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to inject arbitrary content.
The vulnerability exists due to improper input validation within the Cgi/private.py private archive login page. A remote attacker can send a specially crafted request and inject arbitrary content.
Successful exploitation of the vulnerability requires that the roster visibility (private_roster) setting is 'Anyone'.
Remediation
Install update from vendor's website.