National Cyber Awareness System

Vulnerability Summary for CVE-2011-1784

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=704039

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=704039

External Source: XF

Name: keepalived-pid-dos(67477)

Hyperlink:http://xforce.iss.net/xforce/xfdb/67477

External Source: BID

Name: 47859

Hyperlink:http://www.securityfocus.com/bid/47859

External Source: OSVDB

Name: 72380

Hyperlink:http://www.osvdb.org/72380

External Source: SECUNIA

Name: 44460

Type: Advisory

Hyperlink:http://secunia.com/advisories/44460

External Source: MLIST

Name: [oss-security] 20110516 Re: CVE request: keepalived pid file permissions issue

Hyperlink:http://openwall.com/lists/oss-security/2011/05/16/7

External Source: MLIST

Name: [oss-security] 20110510 CVE request: keepalived pid file permissions issue

Hyperlink:http://openwall.com/lists/oss-security/2011/05/10/5

External Source: MLIST

Name: [debian-security] 20110511 Re: World writable pid and lock files.

Hyperlink:http://lists.debian.org/debian-security/2011/05/msg00018.html

External Source: MLIST

Name: [debian-security] 20110510 Re: World writable pid and lock files.

Hyperlink:http://lists.debian.org/debian-security/2011/05/msg00013.html

External Source: MLIST

Name: [debian-security] 20110510 World writable pid and lock files.

Hyperlink:http://lists.debian.org/debian-security/2011/05/msg00012.html

External Source: CONFIRM

Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626281

Hyperlink:http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626281