CVE-2019-1798

NameCVE-2019-1798
DescriptionA vulnerability in the Portable Executable (PE) file scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a lack of proper input and validation checking mechanisms for PE files sent an affected device. An attacker could exploit this vulnerability by sending malformed PE files to the device running an affected version ClamAV Software. An exploit could allow the attacker to cause an out-of-bounds read condition, resulting in a crash that could result in a denial of service condition on an affected device.
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 (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
clamav (PTS)jessie0.100.0+dfsg-0+deb8u1fixed
jessie (security)0.101.4+dfsg-0+deb8u1fixed
stretch0.101.4+dfsg-0+deb9u1fixed
buster0.101.4+dfsg-0+deb10u1fixed
bullseye, sid0.101.4+dfsg-1fixed
libclamunrar (PTS)jessie/non-free0.99-0+deb8u3fixed
stretch/non-free0.101.2-0+deb9u1fixed
buster/non-free, bullseye/non-free, sid/non-free0.101.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
clamavsource(unstable)0.101.2+dfsg-1medium
clamavsourcejessie(not affected)
clamavsourcestretch(not affected)
libclamunrarsource(unstable)0.101.2-1medium
libclamunrarsourcejessie(not affected)
libclamunrarsourcestretch(not affected)

Notes

[stretch] - libclamunrar <not-affected> (Vulnerable code only present in 0.101.1 and 0.101.0)
[jessie] - libclamunrar <not-affected> (Vulnerable code only present in 0.101.1 and 0.101.0)
[stretch] - clamav <not-affected> (Vulnerable code only present in 0.101.1 and 0.101.0)
[jessie] - clamav <not-affected> (Vulnerable code introduced later)
https://blog.clamav.net/2019/03/clamav-01012-and-01003-patches-have.html

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