Use After Free Affecting clamav package, versions <0.99.2+addedllvm-0ubuntu0.14.04.2
Threat Intelligence
EPSS
0.47% (76th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1404-CLAMAV-372406
- published 7 Aug 2017
- disclosed 7 Aug 2017
Introduced: 7 Aug 2017
CVE-2017-6420 Open this link in a new tabHow to fix?
Upgrade Ubuntu:14.04 clamav to version 0.99.2+addedllvm-0ubuntu0.14.04.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream clamav package and not the clamav package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-6420
- https://security-tracker.debian.org/tracker/CVE-2017-6420
- https://security.gentoo.org/glsa/201804-16
- https://github.com/vrtadmin/clamav-devel/commit/dfc00cd3301a42b571454b51a6102eecf58407bc
- https://bugzilla.clamav.net/show_bug.cgi?id=11798
- https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/use-after-free/clamav-use-after-free-pe.md