SB2022092508 - Gentoo update for Fetchmail 



SB2022092508 - Gentoo update for Fetchmail

Published: September 25, 2022

Security Bulletin ID SB2022092508
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper Initialization (CVE-ID: CVE-2021-36386)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper initialization when logging error messages. A local user can trigger an error condition on the fetchmail side and gain access to sensitive information or perform a denial of service (DoS) attack.


2) Inadequate Encryption Strength (CVE-ID: CVE-2021-39272)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a certain situation with IMAP and PREAUTH. A remote attacker with ability to intercept network traffic can gain access to sensitive information.


Remediation

Install update from vendor's website.