CVE-2016-6504

NameCVE-2016-6504
Descriptionepan/dissectors/packet-ncp2222.inc in the NDS dissector in Wireshark 1.12.x before 1.12.13 does not properly maintain a ptvc data structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted packet.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-595-1, DSA-3648-1
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)2.0medium
wiresharksourcejessie1.12.1+g01b65bf-4+deb8u8mediumDSA-3648-1
wiresharksourcewheezy1.12.1+g01b65bf-4+deb8u6~deb7u3mediumDLA-595-1

Notes

Only affects 1.12, marking 2.0 as fixed
https://www.wireshark.org/security/wnpa-sec-2016-40.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12576
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=9eacbb4d48df647648127b9258f9e5aeeb0c7d99
Affects 1.12.0 to 1.12.12, fixed in 1.12.13.
http://www.openwall.com/lists/oss-security/2016/07/28/3

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