CVE-2023-20052

NameCVE-2023-20052
DescriptionOn Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the DMG file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability is due to enabling XML entity substitution that may result in XML external entity injection. An attacker could exploit this vulnerability by submitting a crafted DMG file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to leak bytes from any file that may be read by the ClamAV scanning process.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3328-1
Debian Bugs1031509

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
clamav (PTS)buster0.103.6+dfsg-0+deb10u1vulnerable
buster (security)0.103.9+dfsg-0+deb10u1fixed
bullseye0.103.10+dfsg-0+deb11u1fixed
bookworm1.0.3+dfsg-1~deb12u1fixed
trixie1.0.5+dfsg-1fixed
sid1.0.5+dfsg-1.1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
clamavsourcebuster0.103.8+dfsg-0+deb10u1DLA-3328-1
clamavsourcebullseye0.103.8+dfsg-0+deb11u1
clamavsource(unstable)1.0.1+dfsg-11031509

Notes

https://blog.clamav.net/2023/02/clamav-01038-01052-and-101-patch.html

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