{"id":"CVE-2012-4503","aliases":["BELL-CVE-2012-4503","DEBIAN-CVE-2012-4503","DSA-2760-1","EUVD-2012-4432","GHSA-53c9-c34f-h6w7","UBUNTU-CVE-2012-4503","openSUSE-SU-2024:10345-1"],"status":"published","title":"cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive...","description":"cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03082,"percentile":0.87776,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2013-09-18T00:00:00Z","modified":"2026-10-23T17:47:21Z","fixes":[{"ecosystem":"Debian:12","package":"chrony","fixed_in":["1.29-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"chrony","fixed_in":["1.29-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"chrony","fixed_in":["1.29-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"chrony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.29-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"chrony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.29-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"chrony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.29-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"chrony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24-3+squeeze1"}]}],"versions":["1.24-3"],"bundled":2},{"source":"osv","ecosystem":"Debian:7","package":"chrony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24-3.1+deb7u2"}]}],"versions":["1.24-3.1+deb7u1"],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"chrony","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.1-1.1"}]}],"bundled":4}],"products":[{"vendor":"tuxfamily","product":"chrony"}],"references":[{"url":"http://permalink.gmane.org/gmane.comp.time.chrony.announce/15","tags":["mailing-list","x_refsource_MLIST","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.debian.org/security/2013/dsa-2760","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://seclists.org/oss-sec/2013/q3/332","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git%3Ba=commitdiff%3Bh=c6fdeeb6bb0b17dc28c19ae492c4a1c498e54ea3","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=846392","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4503"},{"url":"http://git.tuxfamily.org/chrony/chrony.git/?p=chrony/chrony.git;a=commitdiff;h=c6fdeeb6bb0b17dc28c19ae492c4a1c498e54ea3"},{"url":"https://github.com/advisories/GHSA-53c9-c34f-h6w7"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2012-4503","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-4503","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2012-4503","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-4503","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4502","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4503","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0021","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-1567","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2012-4503","description":"cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.","status":"published","published":"2013-11-05T21:00:00Z","modified":"2024-09-16T16:14:03.196Z","updated_at":"2026-11-02T14:34:51.584538Z"}],"euvd":[{"id":"EUVD-2012-4432","description":"cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.","status":"published","published":"2013-11-05T21:00:00Z","modified":"2024-09-16T16:14:03Z","updated_at":"2026-11-03T00:55:53.554412Z"}],"ghsa":[{"id":"GHSA-53c9-c34f-h6w7","title":"cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive...","description":"cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.","status":"published","published":"2022-05-17T04:58:31Z","modified":"2025-04-11T04:15:47Z","cwes":["CWE-200"],"updated_at":"2026-11-02T15:01:14.923786Z"}],"nvd":[{"id":"CVE-2012-4503","description":"cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.","status":"published","published":"2013-11-05T21:55:08.733Z","modified":"2026-06-16T23:45:13.223Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:02:17.375282Z"}],"osv":[{"id":"BELL-CVE-2012-4503","title":"CVE-2012-4503 does not affect BellSoft software","status":"withdrawn","published":"2013-11-05T21:55:00Z","modified":"2026-01-28T07:19:22.176512Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:13.47097Z"},{"id":"CVE-2012-4503","description":"cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.","status":"published","published":"2013-11-05T21:55:08Z","modified":"2026-04-10T03:42:28.980063Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-4503","description":"cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.","status":"published","published":"2013-11-05T21:55:08.733Z","modified":"2026-10-23T17:47:21.727142611Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"DSA-2760-1","title":"chrony - several","status":"published","published":"2013-09-18T00:00:00Z","modified":"2026-03-09T01:19:22.371645Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"openSUSE-SU-2024:10345-1","title":"chrony-2.4.1-1.1 on GA media","description":"These are all security issues fixed in the chrony-2.4.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:02:32.739537Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"UBUNTU-CVE-2012-4503","description":"cmdmon.c in Chrony before 1.29 allows remote attackers to obtain potentially sensitive information from stack memory via vectors related to (1) an invalid subnet in a RPY_SUBNETS_ACCESSED command to the handle_subnets_accessed function or (2) a RPY_CLIENT_ACCESSES command to the handle_client_accesses function when client logging is disabled, which causes uninitialized data to be included in a reply.","status":"withdrawn","published":"2013-11-05T21:55:00Z","modified":"2025-07-16T07:31:01.781324Z","updated_at":"2026-11-02T15:54:06.854805Z"}]}}