{"id":"CVE-2011-1784","aliases":["DEBIAN-CVE-2011-1784","EUVD-2011-1782","GHSA-xjrv-p75r-gqqr","UBUNTU-CVE-2011-1784"],"status":"published","title":"The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666...","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.","severity":{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00367,"percentile":0.30721,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2011-05-20T22:00:00Z","modified":"2026-10-23T17:47:38Z","fixes":[{"ecosystem":"Debian:12","package":"keepalived","fixed_in":["1:1.2.2-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"keepalived","fixed_in":["1:1.2.2-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"keepalived","fixed_in":["1:1.2.2-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"keepalived","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.2-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"keepalived","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.2-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"keepalived","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.2-2"}]}]}],"products":[{"vendor":"keepalived","product":"keepalived"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67477","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://lists.debian.org/debian-security/2011/05/msg00018.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://lists.debian.org/debian-security/2011/05/msg00012.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2011/05/10/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/47859","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.osvdb.org/72380","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626281","tags":["x_refsource_CONFIRM","x_transferred","web","report"]},{"url":"http://secunia.com/advisories/44460","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://openwall.com/lists/oss-security/2011/05/16/7","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=704039","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://lists.debian.org/debian-security/2011/05/msg00013.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1784"},{"url":"https://github.com/advisories/GHSA-xjrv-p75r-gqqr"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-1784","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2011-1784","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-1784","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2011-1784","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.","status":"published","published":"2011-05-20T22:00:00Z","modified":"2024-08-06T22:37:25.695Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1782","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.","status":"published","published":"2011-05-20T22:00:00Z","modified":"2024-08-06T22:37:25Z","updated_at":"2026-11-03T01:55:55.207376Z"}],"ghsa":[{"id":"GHSA-xjrv-p75r-gqqr","title":"The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666...","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.","status":"published","published":"2022-05-17T01:59:36Z","modified":"2023-02-03T05:06:28Z","updated_at":"2026-11-02T14:53:54.29937Z"}],"nvd":[{"id":"CVE-2011-1784","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.","status":"published","published":"2011-05-20T22:55:04.97Z","modified":"2026-06-16T23:30:06.847Z","cvss":[{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:08.47516Z"}],"osv":[{"id":"CVE-2011-1784","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.","status":"published","published":"2011-05-20T22:55:04Z","modified":"2026-04-10T03:41:48.117558Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-1784","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.","status":"published","published":"2011-05-20T22:55:04.97Z","modified":"2026-10-23T17:47:38.960249643Z","updated_at":"2026-11-02T15:45:24.612044Z"},{"id":"UBUNTU-CVE-2011-1784","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.","status":"withdrawn","published":"2011-05-20T22:55:00Z","modified":"2025-07-16T07:30:46.204799Z","updated_at":"2026-11-02T15:54:06.395274Z"}]}}