CVE-2023-20197

A vulnerability in the filesystem image parser for Hierarchical File System
Plus (HFS+) of ClamAV could allow an unauthenticated, remote attacker to
cause a denial of service (DoS) condition on an affected device. This
vulnerability is due to an incorrect check for completion when a file is
decompressed, which may result in a loop condition that could cause the
affected software to stop responding. An attacker could exploit this
vulnerability by submitting a crafted HFS+ filesystem image to be scanned
by ClamAV on an affected device. A successful exploit could allow the
attacker to cause the ClamAV scanning process to stop responding, resulting
in a DoS condition on the affected software and consuming available system
resources. For a description of this vulnerability, see the ClamAV blog .

Bugs

• <https://bugs.launchpad.net/ubuntu/+source/clamav/+bug/2031565&gt;

Notes