CVE-2011-4100

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    CVE-2011-4100

    Published: 3 Nov 2011Last Modified: 10 Apr 2026

    Summary:

    Details: 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.

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

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High