SB2017011814 - Remote code injection in php-phpmailer (Alpine package)



SB2017011814 - Remote code injection in php-phpmailer (Alpine package)

Published: January 18, 2017

Security Bulletin ID SB2017011814
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) Remote code injection (CVE-ID: CVE-2016-10045)

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

The vulnerability exists in PHPMailer due to insufficient sanitization of user-supplied input, when Sender property is not set. A remote attacker can use backslashed double quote character (e.g. \”) to pass additional commands to original mail command and execute them with privileges of the current web server user.

Successful exploitation of the vulnerability may result in system compromise.

Note: this vulnerability exists due to incorrect fix for vulnerability SB2016122601 (CVE-2016-10033)



Remediation

Install update from vendor's website.