CVE-2011-1784

    Dashboard / Vulnerabilities / CVE-2011-1784

    CVE-2011-1784

    Published: 20 May 2011Last Modified: 10 Apr 2026

    Summary:

    Details: The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2) checkers.pid, and (3) vrrp.pid files in /var/run/, which allows local users to kill arbitrary processes by writing a PID to one of these files.

    References: http://secunia.com/advisories/44460, https://bugzilla.redhat.com/show_bug.cgi?id=704039, http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626281, http://lists.debian.org/debian-security/2011/05/msg00012.html, http://lists.debian.org/debian-security/2011/05/msg00013.html, http://lists.debian.org/debian-security/2011/05/msg00018.html, http://openwall.com/lists/oss-security/2011/05/10/5, http://openwall.com/lists/oss-security/2011/05/16/7, http://www.osvdb.org/72380, http://www.securityfocus.com/bid/47859, https://exchange.xforce.ibmcloud.com/vulnerabilities/67477

    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