XML External Entity injection in ClamAV - CVE-2023-20052

 

XML External Entity injection in ClamAV - CVE-2023-20052

Published: February 15, 2023 / Updated: April 19, 2024


Vulnerability identifier: #VU72298
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2023-20052
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: ClamAV
Affected software:
ClamAV

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to enabling XML entity substitution. A remote attacker can pass a specially crafted XML code to the antivirus and view bytes from any file that may be read by the ClamAV scanning process.



How to mitigate CVE-2023-20052

Install updates from vendor's website.

Sources