SB2021052038 - Red Hat Enterprise Linux 8 update for the mailman:2.1 module
Published: May 20, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Spoofing attack (CVE-ID: CVE-2020-12108)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data when processing email addresses. A remote attacker can create a specially crafted email and spoof content of email message.
2) Code Injection (CVE-ID: CVE-2020-15011)
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.