SB2019022008 - Remote code execution in WordPress
Published: February 20, 2019
Security Bulletin ID
SB2019022008
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) Code injection (CVE-ID: CVE-2019-8942)
The vulnerability allows a remote attacker to execute PHP code on the target system.The weakness exists due to an _wp_attached_file Post Meta entry can be changed to an arbitrary string, such as one ending with a .jpg?file.php substring. A remote attacker can upload a crafted image containing PHP code in the Exif metadata and execute arbitrary code.
Successful exploitation of the vulnerability allows to leverage SB2019022004.
Remediation
Install update from vendor's website.