CVE-2011-3354

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    CVE-2011-3354

    Published: 4 Oct 2011Last Modified: 10 Apr 2026

    Summary:

    Details: The CtcpParser::packedReply method in core/ctcpparser.cpp in Quassel before 0.7.3 allows remote attackers to cause a denial of service (crash) via a crafted Client-To-Client Protocol (CTCP) request, as demonstrated in the wild in September 2011.

    References: http://secunia.com/advisories/45970, http://www.ubuntu.com/usn/USN-1200-1, http://bugs.quassel-irc.org/projects/quassel-irc/repository/revisions/da215fcb9cd3096a3e223c87577d5d4ab8f8518b/diff/src/core/ctcpparser.cpp, http://osvdb.org/75351, http://www.openwall.com/lists/oss-security/2011/09/08/7, http://www.openwall.com/lists/oss-security/2011/09/09/7, http://www.securityfocus.com/bid/49526, https://bugs.gentoo.org/show_bug.cgi?id=382313, https://exchange.xforce.ibmcloud.com/vulnerabilities/69682

    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