Out-of-bounds read in ClamAV - CVE-2024-20505
Published: September 5, 2024
Vulnerability identifier: #VU96825
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-20505
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ClamAV
Affected software:
ClamAV
ClamAV
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the PDF file parser. A remote attacker can pass a specially crafted PDF file to the antivirus, trigger an out-of-bounds read error and crash the antivirus engine.
How to mitigate CVE-2024-20505
Install updates from vendor's website.
Sources
- https://blog.clamav.net/2024/09/clamav-141-132-107-and-010312-security.html
- https://github.com/Cisco-Talos/clamav-devel/releases/tag/clamav-1.3.2
- https://github.com/Cisco-Talos/clamav-devel/releases/tag/clamav-1.0.7
- https://github.com/Cisco-Talos/clamav-devel/releases/tag/clamav-0.103.12
- https://github.com/Cisco-Talos/clamav-devel/releases/tag/clamav-1.4.1