SB2021012731 - Code Injection in thunderbird (Alpine package)



SB2021012731 - Code Injection in thunderbird (Alpine package)

Published: January 27, 2021

Security Bulletin ID SB2021012731
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Code Injection (CVE-ID: CVE-2020-15685)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

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


The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to improper input validation when processing plaintext phase of the IMAP STARTTLS connection setup. A remote attacker can pass protocol commands, which can be evaluated within the encrypted session.


Remediation

Install update from vendor's website.