SB2020021345 - Out-of-bounds read in thunderbird (Alpine package)



SB2020021345 - Out-of-bounds read in thunderbird (Alpine package)

Published: February 13, 2020

Security Bulletin ID SB2020021345
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2020-6793)

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

The vulnerability exists due to a boundary condition when processing email messages. A remote attacker can send a specially crafted email message to the victim, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system or crash the application.


Remediation

Install update from vendor's website.