CVE-2011-1784 in keepalived

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.

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• Reservation: 04/19/2011
• Disclosure: 05/20/2011
• Moderation: VulDB entry created
• Entries: 1: VDB-57482
• CPE: ready
• CWE: CWE-264 (Confirmed)
• CVSS: 5.1
• EPSS: 0.00047
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2011-1784
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2011-1784
• CVE Details: https://www.cvedetails.com/cve/CVE-2011-1784/