Vulnerability Details : CVE-2011-4100
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.
Vulnerability category: Denial of service
Products affected by CVE-2011-4100
- cpe:2.3:a:wireshark:wireshark:1.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:1.6.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-4100
0.96%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4100
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2011-4100
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Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4100
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http://www.securityfocus.com/bid/50479
Wireshark CSN.1 Dissector Denial of Service Vulnerability
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http://www.wireshark.org/security/wnpa-sec-2011-17.html
Wireshark · wnpa-sec-2011-17 · Wireshark CSN.1 dissector vulnerability
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http://osvdb.org/76768
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http://openwall.com/lists/oss-security/2011/11/01/9
oss-security - Re: CVE request for wireshark flawsPatch
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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6351
6351 – Buildbot crash output: fuzz-2011-09-16-19550.pcapPatch
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https://bugzilla.redhat.com/show_bug.cgi?id=750643
750643 – (CVE-2011-4100) CVE-2011-4100 wireshark: uninitialized variable in the CSN.1 dissector can cause a crashPatch
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14833
Repository / Oval Repository
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https://exchange.xforce.ibmcloud.com/vulnerabilities/71090
Wireshark CSN.1 dissector denial of service CVE-2011-4100 Vulnerability Report
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http://secunia.com/advisories/46644
Sign in
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http://anonsvn.wireshark.org/viewvc?view=revision&revision=39140
code.wireshark Code Review - wireshark.git/treePatch
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