CVE-2011-4100

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-11-03 · updated 2026-06-16
Weakness: CWE-399

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.

Affected products

Wireshark Foundation Wireshark: 1.6.0, 1.6.1, 1.6.2

References

http://anonsvn.wireshark.org/viewvc?view=revision&revision=39140
http://openwall.com/lists/oss-security/2011/11/01/9
http://osvdb.org/76768
http://secunia.com/advisories/46644
http://www.securityfocus.com/bid/50479
http://www.wireshark.org/security/wnpa-sec-2011-17.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6351
https://bugzilla.redhat.com/show_bug.cgi?id=750643
https://exchange.xforce.ibmcloud.com/vulnerabilities/71090
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14833
http://anonsvn.wireshark.org/viewvc?view=revision&revision=39140
http://openwall.com/lists/oss-security/2011/11/01/9

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