Deserialization of Untrusted Data in php-svg-lib - CVE-2023-50252
Published: March 7, 2024
Vulnerability identifier: #VU87175
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2023-50252
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
php-svg-lib
Debian Linux
php-dompdf-svg-lib (Debian package)
Debian Linux
php-dompdf-svg-lib (Debian package)
How to mitigate CVE-2023-50252
Install updates from vendor's website.
php-svg-lib - update to 0.5.1
php-dompdf-svg-lib (Debian package) - update to 0.5.0-3+deb12u1
php-dompdf-svg-lib (Debian package) - update to 0.5.0-3+deb12u1