CVE-2018-6836

NameCVE-2018-6836
DescriptionThe netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)wheezy1.8.2-5wheezy18fixed
wheezy (security)1.12.1+g01b65bf-4+deb8u6~deb7u9fixed
jessie1.12.1+g01b65bf-4+deb8u11fixed
jessie (security)1.12.1+g01b65bf-4+deb8u13fixed
stretch2.2.6+g32dac6a-2fixed
stretch (security)2.2.6+g32dac6a-2+deb9u2fixed
buster, sid2.4.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksource(unstable)(not affected)

Notes

- wireshark <not-affected> (Vulnerable code introduced in v2.5.0)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397
Introduced by: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=52823805b29a44a83eacd0e5b415b11227ec313b
Fixed by: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=28960d79cca262ac6b974f339697b299a1e28fef

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