CVE-2020-3327

NameCVE-2020-3327
DescriptionA vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a heap buffer overflow read. An attacker could exploit this vulnerability by sending a crafted ARJ 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)
ReferencesDLA-2215-1, DLA-2314-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
clamav (PTS)stretch0.102.3+dfsg-0~deb9u1vulnerable
stretch (security)0.102.4+dfsg-0+deb9u1fixed
buster0.102.4+dfsg-0+deb10u1fixed
bullseye, sid0.102.4+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
clamavsourcejessie0.101.5+dfsg-0+deb8u2DLA-2215-1
clamavsourcestretch0.102.4+dfsg-0+deb9u1DLA-2314-1
clamavsourcebuster0.102.4+dfsg-0+deb10u1
clamavsource(unstable)0.102.4+dfsg-1

Notes

https://blog.clamav.net/2020/05/clamav-01023-security-patch-released.html
https://blog.clamav.net/2020/07/clamav-01024-security-patch-released.html
Original fix from 0.102.3 was incomplete

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