Deserialization of Untrusted Data in php-svg-lib - CVE-2023-50252

 

Deserialization of Untrusted Data in php-svg-lib - CVE-2023-50252

Published: March 7, 2024


Vulnerability identifier: #VU87175
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-50252
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: dompdf
Affected software:
php-svg-lib

Detailed vulnerability description

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

The vulnerability exists due to insecure input validation when handling `<use>` tag that references an `<image>` tag. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

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


How to mitigate CVE-2023-50252

Install updates from vendor's website.

Sources