SB2020112524 - Ubuntu update for mutt

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2020112524

SB2020112524 - Ubuntu update for mutt

Published: November 25, 2020 Updated: April 23, 2025

Security Bulletin ID SB2020112524
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Cleartext transmission of sensitive information (CVE-ID: CVE-2020-28896)

CWE-ID: CWE-319 - Cleartext Transmission of Sensitive Information

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to software does not ensure that $ssl_force_tls is processed if an IMAP server's initial server response is invalid. As a result, the connection is not properly closed, and the application continues authentication attempts. A remote attacker with ability to intercept traffic can perform a MitM attack and gain access to victim's credentials.


Remediation

Install update from vendor's website.

References