SB2019122369 - Remote code execution in PHP mail() function



SB2019122369 - Remote code execution in PHP mail() function

Published: December 23, 2019 Updated: July 22, 2021

Security Bulletin ID SB2019122369
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) Double Free (CVE-ID: CVE-2019-11049)

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

The vulnerability exists due to a boundary error within mail() function implementation. A remote attacker can pass specially crafted header in lowercase, trigger double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.