{"id":"CVE-2016-9951","aliases":["EUVD-2016-10738","GHSA-666r-6mfg-455c","UBUNTU-CVE-2016-9951","USN-3157-1"],"status":"published","title":"An issue was discovered in Apport before 2.20.4. A malicious Apport crash file can contain a...","description":"An issue was discovered in Apport before 2.20.4. A malicious Apport crash file can contain a restart command in `RespawnCommand` or `ProcCmdline` fields. This command will be executed if a user clicks the Relaunch button on the Apport prompt from the malicious crash file. The fix is to only show the Relaunch button on Apport crash files generated by local systems. The Relaunch button will be hidden when crash files are opened directly in Apport-GTK.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.06674,"percentile":0.93938,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-284"],"published":"2016-12-14T00:00:00Z","modified":"2026-06-17T00:56:49Z","exploits":[{"source":"exploitdb","id":"EDB-40937","title":"Apport 2.x (Ubuntu Desktop 12.10 \u003c 16.04) - Local Code Execution","type":"local","platform":"linux","date":"2016-12-14","url":"https://www.exploit-db.com/exploits/40937"}],"fixes":[{"ecosystem":"Ubuntu:14.04:LTS","package":"apport","fixed_in":["2.14.1-0ubuntu3.23"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"apport","fixed_in":["2.20.1-0ubuntu2.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"apport","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.1-0ubuntu3.23"}]}],"versions":["2.12.5-0ubuntu2","2.12.6-0ubuntu1","2.12.7-0ubuntu1","2.12.7-0ubuntu2","2.12.7-0ubuntu3","2.12.7-0ubuntu6","2.13.1-0ubuntu1","2.13.1-0ubuntu2","2.13.2-0ubuntu2","2.13.2-0ubuntu3","2.13.2-0ubuntu4","2.13.2-0ubuntu5","2.13.3-0ubuntu1","2.14-0ubuntu1","2.14.1-0ubuntu1","2.14.1-0ubuntu2","2.14.1-0ubuntu3","2.14.1-0ubuntu3.1","2.14.1-0ubuntu3.2","2.14.1-0ubuntu3.3","2.14.1-0ubuntu3.4","2.14.1-0ubuntu3.5","2.14.1-0ubuntu3.6","2.14.1-0ubuntu3.7","2.14.1-0ubuntu3.8","2.14.1-0ubuntu3.9","2.14.1-0ubuntu3.10","2.14.1-0ubuntu3.11","2.14.1-0ubuntu3.12","2.14.1-0ubuntu3.13","2.14.1-0ubuntu3.15","2.14.1-0ubuntu3.16","2.14.1-0ubuntu3.18","2.14.1-0ubuntu3.19","2.14.1-0ubuntu3.20","2.14.1-0ubuntu3.21"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"apport","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.1-0ubuntu2.4"}]}],"versions":["2.19.1-0ubuntu3","2.19.2-0ubuntu1","2.19.2-0ubuntu2","2.19.2-0ubuntu3","2.19.2-0ubuntu4","2.19.2-0ubuntu5","2.19.2-0ubuntu6","2.19.2-0ubuntu8","2.19.2-0ubuntu9","2.19.3-0ubuntu1","2.19.3-0ubuntu2","2.19.3-0ubuntu3","2.19.4-0ubuntu1","2.19.4-0ubuntu2","2.20-0ubuntu2","2.20-0ubuntu3","2.20.1-0ubuntu1","2.20.1-0ubuntu2","2.20.1-0ubuntu2.1","2.20.1-0ubuntu2.2"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"apport","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.1-0ubuntu3.23"}]}],"versions":["2.12.5-0ubuntu2","2.12.6-0ubuntu1","2.12.7-0ubuntu1","2.12.7-0ubuntu2","2.12.7-0ubuntu3","2.12.7-0ubuntu6","2.13.1-0ubuntu1","2.13.1-0ubuntu2","2.13.2-0ubuntu2","2.13.2-0ubuntu3","2.13.2-0ubuntu4","2.13.2-0ubuntu5","2.13.3-0ubuntu1","2.14-0ubuntu1","2.14.1-0ubuntu1","2.14.1-0ubuntu2","2.14.1-0ubuntu3","2.14.1-0ubuntu3.1","2.14.1-0ubuntu3.2","2.14.1-0ubuntu3.3","2.14.1-0ubuntu3.4","2.14.1-0ubuntu3.5","2.14.1-0ubuntu3.6","2.14.1-0ubuntu3.7","2.14.1-0ubuntu3.8","2.14.1-0ubuntu3.9","2.14.1-0ubuntu3.10","2.14.1-0ubuntu3.11","2.14.1-0ubuntu3.12","2.14.1-0ubuntu3.13","2.14.1-0ubuntu3.15","2.14.1-0ubuntu3.16","2.14.1-0ubuntu3.18","2.14.1-0ubuntu3.19","2.14.1-0ubuntu3.20","2.14.1-0ubuntu3.21"],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"apport","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.1-0ubuntu2.4"}]}],"versions":["2.19.1-0ubuntu3","2.19.2-0ubuntu1","2.19.2-0ubuntu2","2.19.2-0ubuntu3","2.19.2-0ubuntu4","2.19.2-0ubuntu5","2.19.2-0ubuntu6","2.19.2-0ubuntu8","2.19.2-0ubuntu9","2.19.3-0ubuntu1","2.19.3-0ubuntu2","2.19.3-0ubuntu3","2.19.4-0ubuntu1","2.19.4-0ubuntu2","2.20-0ubuntu2","2.20-0ubuntu3","2.20.1-0ubuntu1","2.20.1-0ubuntu2","2.20.1-0ubuntu2.1","2.20.1-0ubuntu2.2"],"bundled":3}],"products":[{"vendor":"apport_project","product":"apport"}],"references":[{"url":"https://github.com/DonnchaC/ubuntu-apport-exploitation","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"https://donncha.is/2016/12/compromising-ubuntu-desktop/","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory","report"]},{"url":"https://bugs.launchpad.net/apport/+bug/1648806","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch"]},{"url":"http://www.securityfocus.com/bid/95011","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.ubuntu.com/usn/USN-3157-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"https://www.exploit-db.com/exploits/40937/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9951"},{"url":"https://donncha.is/2016/12/compromising-ubuntu-desktop"},{"url":"https://www.exploit-db.com/exploits/40937"},{"url":"https://github.com/advisories/GHSA-666r-6mfg-455c"},{"url":"https://ubuntu.com/security/CVE-2016-9951","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3157-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-9951","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-9949","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-9950","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-9951","description":"An issue was discovered in Apport before 2.20.4. A malicious Apport crash file can contain a restart command in `RespawnCommand` or `ProcCmdline` fields. This command will be executed if a user clicks the Relaunch button on the Apport prompt from the malicious crash file. The fix is to only show the Relaunch button on Apport crash files generated by local systems. The Relaunch button will be hidden when crash files are opened directly in Apport-GTK.","status":"published","published":"2016-12-17T03:34:00Z","modified":"2024-08-06T03:07:32.111Z","updated_at":"2026-11-02T14:33:31.764001Z"}],"euvd":[{"id":"EUVD-2016-10738","description":"An issue was discovered in Apport before 2.20.4. A malicious Apport crash file can contain a restart command in `RespawnCommand` or `ProcCmdline` fields. This command will be executed if a user clicks the Relaunch button on the Apport prompt from the malicious crash file. The fix is to only show the Relaunch button on Apport crash files generated by local systems. The Relaunch button will be hidden when crash files are opened directly in Apport-GTK.","status":"published","published":"2016-12-17T03:34:00Z","modified":"2024-08-06T03:07:32Z","updated_at":"2026-11-03T02:22:25.285099Z"}],"ghsa":[{"id":"GHSA-666r-6mfg-455c","title":"An issue was discovered in Apport before 2.20.4. A malicious Apport crash file can contain a...","description":"An issue was discovered in Apport before 2.20.4. A malicious Apport crash file can contain a restart command in `RespawnCommand` or `ProcCmdline` fields. This command will be executed if a user clicks the Relaunch button on the Apport prompt from the malicious crash file. The fix is to only show the Relaunch button on Apport crash files generated by local systems. The Relaunch button will be hidden when crash files are opened directly in Apport-GTK.","status":"published","published":"2022-05-17T03:05:26Z","modified":"2025-04-12T13:08:41Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:01:30.991417Z"}],"nvd":[{"id":"CVE-2016-9951","description":"An issue was discovered in Apport before 2.20.4. A malicious Apport crash file can contain a restart command in `RespawnCommand` or `ProcCmdline` fields. This command will be executed if a user clicks the Relaunch button on the Apport prompt from the malicious crash file. The fix is to only show the Relaunch button on Apport crash files generated by local systems. The Relaunch button will be hidden when crash files are opened directly in Apport-GTK.","status":"published","published":"2016-12-17T03:59:00.357Z","modified":"2026-06-17T00:56:49.393Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:03:32.79141Z"}],"osv":[{"id":"UBUNTU-CVE-2016-9951","description":"An issue was discovered in Apport before 2.20.4. A malicious Apport crash file can contain a restart command in `RespawnCommand` or `ProcCmdline` fields. This command will be executed if a user clicks the Relaunch button on the Apport prompt from the malicious crash file. The fix is to only show the Relaunch button on Apport crash files generated by local systems. The Relaunch button will be hidden when crash files are opened directly in Apport-GTK.","status":"published","published":"2016-12-14T00:00:00Z","modified":"2026-02-04T02:27:29.150114Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:13.356796Z"},{"id":"USN-3157-1","title":"apport vulnerabilities","description":"Donncha O Cearbhaill discovered that the crash file parser in Apport\nimproperly treated the CrashDB field as python code. An attacker could\nuse this to convince a user to open a maliciously crafted crash file\nand execute arbitrary code with the privileges of that user. This issue\nonly affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-9949)\n\nDonncha O Cearbhaill discovered that Apport did not properly sanitize the\nPackage and SourcePackage fields in crash files before processing package\nspecific hooks. An attacker could use this to convince a user to open a\nmaliciously crafted crash file and execute arbitrary code with the\nprivileges of that user. (CVE-2016-9950)\n\nDonncha O Cearbhaill discovered that Apport would offer to restart an\napplication based on the contents of the RespawnCommand or ProcCmdline\nfields in a crash file. An attacker could use this to convince a user to\nopen a maliciously crafted crash file and execute arbitrary code with the\nprivileges of that user. (CVE-2016-9951)\n","status":"published","published":"2016-12-14T22:15:07Z","modified":"2026-02-10T04:41:03Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}