CVE-2011-4100

Name	CVE-2011-4100
Description	The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
wireshark (PTS)	stretch	2.6.7-1~deb9u1	fixed
	stretch (security)	2.6.20-0+deb9u1	fixed
	buster	2.6.20-0+deb10u1	fixed
	bullseye, sid	3.4.3-1	fixed

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

Package	Type	Release	Fixed Version
wireshark	source	lenny	(not affected)
wireshark	source	squeeze	(not affected)
wireshark	source	(unstable)	1.6.3-1

Notes

[squeeze] - wireshark <not-affected> (Affects only 1.6.0-1.6.2)
[lenny] - wireshark <not-affected> (Affects only 1.6.0-1.6.2)
http://www.wireshark.org/security/wnpa-sec-2011-17.html