SB2020021924 - Use-after-free in PHP
Published: February 19, 2020 Updated: July 17, 2020
Security Bulletin ID
SB2020021924
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2014-3622)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Use-after-free vulnerability in the add_post_var function in the Posthandler component in PHP 5.6.x before 5.6.1 might allow remote attackers to execute arbitrary code by leveraging a third-party filter extension that accesses a certain ksep value.
Remediation
Install update from vendor's website.