CVE-2019-1785

NameCVE-2019-1785
DescriptionA vulnerability in the RAR file scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and 0.101.0 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 error-handling mechanisms when processing nested RAR files sent to an affected device. An attacker could exploit this vulnerability by sending a crafted RAR file to an affected device. An exploit could allow the attacker to view or create arbitrary files on the targeted system.
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
bullseye/non-free, sid/non-free, buster/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 introduced later)
[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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