CVE-2015-6243

NameCVE-2015-6243
DescriptionThe dissector-table implementation in epan/packet.c in Wireshark 1.12.x before 1.12.7 mishandles table searches for empty strings, which allows remote attackers to cause a denial of service (application crash) via a crafted packet, related to the (1) dissector_get_string_handle and (2) dissector_get_default_string_handle functions.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-497-1, DSA-3367-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)wheezy1.8.2-5wheezy18vulnerable
wheezy (security)1.12.1+g01b65bf-4+deb8u6~deb7u7fixed
jessie (security), jessie1.12.1+g01b65bf-4+deb8u11fixed
stretch2.2.6+g32dac6a-2fixed
buster, sid2.4.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksource(unstable)1.12.7+g7fc8978-1medium
wiresharksourcejessie1.12.1+g01b65bf-4+deb8u3mediumDSA-3367-1
wiresharksourcesqueeze(unfixed)end-of-life
wiresharksourcewheezy1.12.1+g01b65bf-4+deb8u6~deb7u1mediumDLA-497-1

Notes

[squeeze] - wireshark <end-of-life> (Not supported in Squeeze LTS)
https://www.wireshark.org/security/wnpa-sec-2015-23.html

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