CVE-2012-3421

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    CVE-2012-3421

    Published: 27 Aug 2012Last Modified: 10 Apr 2026

    Summary:

    Details: The pduread function in pdu.c in libpcp in Performance Co-Pilot (PCP) before 3.6.5 does not properly time out connections, which allows remote attackers to cause a denial of service (pmcd hang) by sending individual bytes of a PDU separately, related to an "event-driven programming flaw."

    References: http://www.debian.org/security/2012/dsa-2533, https://bugzilla.redhat.com/show_bug.cgi?id=841706, http://lists.fedoraproject.org/pipermail/package-announce/2012-August/085324.html, http://lists.fedoraproject.org/pipermail/package-announce/2012-August/085333.html, http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00024.html, http://oss.sgi.com/cgi-bin/gitweb.cgi?p=pcp/pcp.git%3Ba=blob%3Bf=CHANGELOG%3Bh=16c9cbb2f61d909487ea1c3171f4ab33e5648ac5%3Bhb=fe51067ae869a4d59f350ac319b09edcb77ac8e6, http://oss.sgi.com/cgi-bin/gitweb.cgi?p=pcp/pcp.git%3Ba=commit%3Bh=9ba85dca940de976176ce196fd5e3c4170936354, http://www.openwall.com/lists/oss-security/2012/08/16/1, https://hermes.opensuse.org/messages/15471040, https://hermes.opensuse.org/messages/15540133, https://hermes.opensuse.org/messages/15540172

    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