{"id":"UBUNTU-CVE-2012-4503","details":"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data to be included in a reply.","modified":"2025-07-16T07:31:01.781324Z","published":"2013-11-05T21:55:00Z","withdrawn":"2025-07-18T16:42:47Z","upstream":["CVE-2012-4503"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2012-4503"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2012-4503"}],"affected":[{"package":{"name":"chrony","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/chrony@1.29-1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.29-1"}]}],"versions":["1.26-4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"chrony","binary_version":"1.29-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-4503.json"}},{"package":{"name":"chrony","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/chrony@2.1.1-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.1-1"}]}],"versions":["1.30-2","1.31.1-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"chrony","binary_version":"2.1.1-1"},{"binary_name":"chrony-dbgsym","binary_version":"2.1.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-4503.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}