SB2015121001 - Ubuntu update for Exim



SB2015121001 - Ubuntu update for Exim

Published: December 10, 2015 Updated: September 29, 2019

Security Bulletin ID SB2015121001
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2010-4344)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in the string_vformat function in string.c due to heap-based buffer overflow. A remote attacker can trigger memory corruption and execute arbitrary code via an SMTP session that includes two MAIL commands in conjunction with a large message containing specially crafted headers, leading to improper rejection logging.

Remediation

Install update from vendor's website.