CVE-2020-3123

NameCVE-2020-3123
DescriptionA vulnerability in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) Software versions 0.102.1 and 0.102.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to an out-of-bounds read affecting users that have enabled the optional DLP feature. An attacker could exploit this vulnerability by sending a crafted email file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs950944

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
clamav (PTS)buster0.103.6+dfsg-0+deb10u1fixed
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
clamavsourcejessie(not affected)
clamavsourcestretch0.102.2+dfsg-0~deb9u1
clamavsourcebuster0.102.2+dfsg-0+deb10u1
clamavsource(unstable)0.102.2+dfsg-1950944

Notes

[jessie] - clamav <not-affected> (Vulnerable code introduced in 0.102.x)
https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html

Search for package or bug name: Reporting problems