SB2019020703 - Remote code execution in mpdf
Published: February 7, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Deserialization of Untrusted Data (CVE-ID: CVE-2019-1000005)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the getImage() method of the Image/ImageProcessor class due to insecure input validation when processing serialized data. A remote attacker can trick the victim into generating a PDF file with the affected application from a malicious image file, trigger a PHP deserialization through the phar:// wrapper 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.