Deserialization of Untrusted Data in Dompdf - CVE-2023-24813

 

Deserialization of Untrusted Data in Dompdf - CVE-2023-24813

Published: February 7, 2023 / Updated: February 12, 2023


Vulnerability identifier: #VU72000
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:P/U:Amber
CVE-ID: CVE-2023-24813
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: dompdf
Affected software:
Dompdf

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 processing serialized data when parsing external URLs in SVG files. 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.

Note, the vulnerability exists due to incomplete fix for #VU71762 (CVE-2023-23924).


How to mitigate CVE-2023-24813

Install updates from vendor's website.

Sources