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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs950944

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
clamav (PTS)jessie0.100.0+dfsg-0+deb8u1fixed
jessie (security)0.101.5+dfsg-0+deb8u1fixed
stretch0.102.1+dfsg-0+deb9u2vulnerable
buster0.102.1+dfsg-0+deb10u2vulnerable
bullseye, sid0.102.2+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
clamavsource(unstable)0.102.2+dfsg-1950944
clamavsourcejessie(not affected)

Notes

[buster] - clamav <no-dsa> (ClamAV is updated via -updates)
[stretch] - clamav <no-dsa> (ClamAV is updated via -updates)
[jessie] - clamav <not-affected> (Vulnerable code introduced in 0.102.x)
https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html

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