CVE-2011-1784

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

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

References

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

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