CVE-2018-14340

NameCVE-2018-14340
DescriptionIn Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.
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-1451-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)jessie1.12.1+g01b65bf-4+deb8u14vulnerable
jessie (security)1.12.1+g01b65bf-4+deb8u15fixed
stretch (security), stretch2.6.3-1~deb9u1fixed
buster, sid2.6.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksource(unstable)2.6.2-1medium
wiresharksourcejessie1.12.1+g01b65bf-4+deb8u15mediumDLA-1451-1

Notes

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14675
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=672d882a53f96730e4ef1e5b1639c585823b0df8
https://www.wireshark.org/security/wnpa-sec-2018-36.html

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