Vulnerability Details CVE-2011-1784
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.3%
CVSS Severity
CVSS v2 Score 3.6
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/44460
- 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
- http://openwall.com/lists/oss-security/2011/05/10/5
- http://openwall.com/lists/oss-security/2011/05/16/7
- http://secunia.com/advisories/44460
- 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
Products affected by CVE-2011-1784
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cpe:2.3:a:keepalived:keepalived:0.2.1
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cpe:2.3:a:keepalived:keepalived:0.2.3
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cpe:2.3:a:keepalived:keepalived:0.2.6
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cpe:2.3:a:keepalived:keepalived:0.2.7
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cpe:2.3:a:keepalived:keepalived:0.3.5
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cpe:2.3:a:keepalived:keepalived:0.3.6
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cpe:2.3:a:keepalived:keepalived:0.3.7
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cpe:2.3:a:keepalived:keepalived:0.3.8
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cpe:2.3:a:keepalived:keepalived:0.4.8
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cpe:2.3:a:keepalived:keepalived:0.4.9
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cpe:2.3:a:keepalived:keepalived:0.4.9a
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cpe:2.3:a:keepalived:keepalived:0.5.3
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cpe:2.3:a:keepalived:keepalived:0.5.5
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cpe:2.3:a:keepalived:keepalived:0.5.6
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cpe:2.3:a:keepalived:keepalived:0.5.7
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cpe:2.3:a:keepalived:keepalived:0.5.8
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cpe:2.3:a:keepalived:keepalived:0.5.9
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cpe:2.3:a:keepalived:keepalived:0.6.1
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cpe:2.3:a:keepalived:keepalived:0.6.10
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cpe:2.3:a:keepalived:keepalived:0.6.2
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cpe:2.3:a:keepalived:keepalived:0.6.3
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cpe:2.3:a:keepalived:keepalived:0.6.4
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cpe:2.3:a:keepalived:keepalived:0.6.5
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cpe:2.3:a:keepalived:keepalived:0.6.6
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cpe:2.3:a:keepalived:keepalived:0.6.7
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cpe:2.3:a:keepalived:keepalived:0.6.8
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cpe:2.3:a:keepalived:keepalived:0.6.9
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cpe:2.3:a:keepalived:keepalived:0.7.1
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cpe:2.3:a:keepalived:keepalived:0.7.6
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cpe:2.3:a:keepalived:keepalived:1.0.0
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cpe:2.3:a:keepalived:keepalived:1.0.1
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cpe:2.3:a:keepalived:keepalived:1.0.2
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cpe:2.3:a:keepalived:keepalived:1.0.3
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cpe:2.3:a:keepalived:keepalived:1.1.0
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cpe:2.3:a:keepalived:keepalived:1.1.1
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cpe:2.3:a:keepalived:keepalived:1.1.10
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cpe:2.3:a:keepalived:keepalived:1.1.11
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cpe:2.3:a:keepalived:keepalived:1.1.12
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cpe:2.3:a:keepalived:keepalived:1.1.13
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cpe:2.3:a:keepalived:keepalived:1.1.14
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cpe:2.3:a:keepalived:keepalived:1.1.15
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cpe:2.3:a:keepalived:keepalived:1.1.16
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cpe:2.3:a:keepalived:keepalived:1.1.17
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cpe:2.3:a:keepalived:keepalived:1.1.18
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cpe:2.3:a:keepalived:keepalived:1.1.19
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cpe:2.3:a:keepalived:keepalived:1.1.2
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cpe:2.3:a:keepalived:keepalived:1.1.20
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cpe:2.3:a:keepalived:keepalived:1.1.3
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cpe:2.3:a:keepalived:keepalived:1.1.4
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cpe:2.3:a:keepalived:keepalived:1.1.5
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cpe:2.3:a:keepalived:keepalived:1.1.6
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cpe:2.3:a:keepalived:keepalived:1.1.7
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cpe:2.3:a:keepalived:keepalived:1.1.8
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cpe:2.3:a:keepalived:keepalived:1.1.9
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cpe:2.3:a:keepalived:keepalived:1.2.0
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cpe:2.3:a:keepalived:keepalived:1.2.1
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cpe:2.3:a:keepalived:keepalived:1.2.2