{"id":"UBUNTU-CVE-2012-3421","details":"The pduread function in pdu.c in libpcp in Performance Co-Pilot (PCP) before 3.6.5 does not properly time out connections, which allows remote attackers to cause a denial of service (pmcd hang) by sending individual bytes of a PDU separately, related to an \"event-driven programming flaw.\"","modified":"2025-07-16T07:17:01.992918Z","published":"2012-08-27T23:55:00Z","withdrawn":"2025-07-18T16:42:46Z","upstream":["CVE-2012-3421"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2012-3421"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2012-3421"}],"affected":[{"package":{"name":"pcp","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/pcp@3.8.12ubuntu1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.12ubuntu1"}]}],"versions":["3.8.0","3.8.5ubuntu1","3.8.9ubuntu1","3.8.10ubuntu1","3.8.10ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-gui2"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-gui2-dev"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-import-perl"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-import1"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-import1-dev"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-logsummary-perl"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-mmv-perl"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-mmv1"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-mmv1-dev"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-pmda-perl"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-pmda3"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-pmda3-dev"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-trace2"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp-trace2-dev"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp3"},{"binary_version":"3.8.12ubuntu1","binary_name":"libpcp3-dev"},{"binary_version":"3.8.12ubuntu1","binary_name":"pcp"},{"binary_version":"3.8.12ubuntu1","binary_name":"pcp-import-collectl2pcp"},{"binary_version":"3.8.12ubuntu1","binary_name":"pcp-import-iostat2pcp"},{"binary_version":"3.8.12ubuntu1","binary_name":"pcp-import-mrtg2pcp"},{"binary_version":"3.8.12ubuntu1","binary_name":"pcp-import-sar2pcp"},{"binary_version":"3.8.12ubuntu1","binary_name":"pcp-import-sheet2pcp"},{"binary_version":"3.8.12ubuntu1","binary_name":"pcp-testsuite"},{"binary_version":"3.8.12ubuntu1","binary_name":"python-pcp"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-3421.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}