Vulnerability Description
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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Keepalived | Keepalived | <= 1.2.2 |
Related Weaknesses (CWE)
References
- 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://secunia.com/advisories/44460Vendor Advisory
- http://www.osvdb.org/72380
- http://www.securityfocus.com/bid/47859
- https://bugzilla.redhat.com/show_bug.cgi?id=704039
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67477
- 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
FAQ
What is CVE-2011-1784?
CVE-2011-1784 is a vulnerability with a CVSS score of 3.6 (LOW). 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...
How severe is CVE-2011-1784?
CVE-2011-1784 has been rated LOW with a CVSS base score of 3.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1784?
Check the references section above for vendor advisories and patch information. Affected products include: Keepalived Keepalived.