SB2018030903 - Amazon Linux AMI update for exim



SB2018030903 - Amazon Linux AMI update for exim

Published: March 9, 2018

Security Bulletin ID SB2018030903
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) Buffer overflow (CVE-ID: CVE-2018-6789)

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

The weakness exists in the SMTP listener due to improper bounds checking. A remote attacker can send a specially crafted message, trigger buffer overflow and execute arbitrary code with privileges of the Exim user.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install update from vendor's website.