{"id":"CVE-2016-9775","aliases":["DLA-728-1","DLA-729-1","DSA-3738-1","DSA-3739-1","EUVD-2016-10576","GHSA-5xvw-jhvw-hvp2","UBUNTU-CVE-2016-9775","USN-3177-1"],"status":"published","title":"The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0...","description":"The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0.45+dfsg-1~deb8u1 on Debian jessie, before 6.0.35-1ubuntu3.9 on Ubuntu 12.04 LTS and on Ubuntu 14.04 LTS; the tomcat7 package before 7.0.28-4+deb7u7 on Debian wheezy, before 7.0.56-3+deb8u6 on Debian jessie, before 7.0.52-1ubuntu0.8 on Ubuntu 14.04 LTS, and on Ubuntu 12.04 LTS, 16.04 LTS, and 16.10; and the tomcat8 package before 8.0.14-1+deb8u5 on Debian jessie, before 8.0.32-1ubuntu1.3 on Ubuntu 16.04 LTS, before 8.0.37-1ubuntu0.1 on Ubuntu 16.10, and before 8.0.38-2ubuntu1 on Ubuntu 17.04 might allow local users with access to the tomcat account to gain root privileges via a setgid program in the Catalina directory, as demonstrated by /etc/tomcat8/Catalina/attack.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00742,"percentile":0.54923,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2016-12-01T00:00:00Z","modified":"2026-10-24T10:30:40Z","fixes":[{"ecosystem":"Ubuntu:14.04:LTS","package":"tomcat7","fixed_in":["7.0.52-1ubuntu0.8"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"tomcat7","fixed_in":["7.0.68-1ubuntu0.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"tomcat8","fixed_in":["8.0.32-1ubuntu1.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:7","package":"tomcat6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.45+dfsg-1~deb7u3"}]}],"versions":["6.0.35-6","6.0.35-6+deb7u1","6.0.35-7","6.0.37-1","6.0.39-1","6.0.41-1","6.0.41-2","6.0.41-2+squeeze5","6.0.41-2+squeeze6","6.0.41-2+squeeze7","6.0.41-3","6.0.41-4","6.0.45+dfsg-1~deb7u1","6.0.45+dfsg-1~deb7u2","6.0.45-1~deb6u1"],"bundled":8},{"source":"osv","ecosystem":"Debian:7","package":"tomcat7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.28-4+deb7u7"}]}],"versions":["7.0.28-4","7.0.28-4+deb7u1","7.0.28-4+deb7u2","7.0.28-4+deb7u3","7.0.28-4+deb7u4","7.0.28-4+deb7u5","7.0.28-4+deb7u6"],"bundled":8},{"source":"osv","ecosystem":"Debian:8","package":"tomcat7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.56-3+deb8u6"}]}],"versions":["7.0.56-3","7.0.56-3+deb8u1","7.0.56-3+deb8u2","7.0.56-3+deb8u3","7.0.56-3+deb8u4","7.0.56-3+deb8u5"],"bundled":4},{"source":"osv","ecosystem":"Debian:8","package":"tomcat8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.14-1+deb8u5"}]}],"versions":["8.0.14-1","8.0.14-1+deb8u1","8.0.14-1+deb8u2","8.0.14-1+deb8u3","8.0.14-1+deb8u4"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"tomcat7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.52-1ubuntu0.8"}]}],"versions":["7.0.42-1","7.0.47-1","7.0.50-1","7.0.52-1","7.0.52-1ubuntu0.1","7.0.52-1ubuntu0.3","7.0.52-1ubuntu0.6","7.0.52-1ubuntu0.7"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"tomcat6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.37-1","6.0.39-1","6.0.39-1ubuntu0.1","6.0.39-1ubuntu0.1+esm1","6.0.39-1ubuntu0.1+esm2","6.0.39-1ubuntu0.1+esm3"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"tomcat7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.68-1ubuntu0.3"}]}],"versions":["7.0.64-1","7.0.68-1","7.0.68-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"tomcat8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.3"}]}],"versions":["8.0.26-1","8.0.28-1","8.0.30-1","8.0.32-1","8.0.32-1ubuntu1","8.0.32-1ubuntu1.1","8.0.32-1ubuntu1.2"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"tomcat7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.52-1ubuntu0.8"}]}],"versions":["7.0.42-1","7.0.47-1","7.0.50-1","7.0.52-1","7.0.52-1ubuntu0.1","7.0.52-1ubuntu0.3","7.0.52-1ubuntu0.6","7.0.52-1ubuntu0.7"],"bundled":11},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"tomcat8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.32-1ubuntu1.3"}]}],"versions":["8.0.26-1","8.0.28-1","8.0.30-1","8.0.32-1","8.0.32-1ubuntu1","8.0.32-1ubuntu1.1","8.0.32-1ubuntu1.2"],"bundled":11}],"products":[{"vendor":"apache","product":"tomcat"},{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"debian_linux"}],"references":[{"url":"http://www.ubuntu.com/usn/USN-3177-2","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/94643","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://www.debian.org/security/2016/dsa-3739","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.debian.org/security/2016/dsa-3738","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/12/02/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"http://www.openwall.com/lists/oss-security/2016/12/02/10","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-3177-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.oracle.com/security-alerts/cpuApr2021.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845385","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20180731-0002/","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9775"},{"url":"https://security.netapp.com/advisory/ntap-20180731-0002"},{"url":"https://github.com/advisories/GHSA-5xvw-jhvw-hvp2"},{"url":"https://ubuntu.com/security/CVE-2016-9775","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3177-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-9775","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-0762","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-5018","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-5388","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-6794","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-6796","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-6797","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-6816","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-8735","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-8745","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-9774","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-9775","description":"The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0.45+dfsg-1~deb8u1 on Debian jessie, before 6.0.35-1ubuntu3.9 on Ubuntu 12.04 LTS and on Ubuntu 14.04 LTS; the tomcat7 package before 7.0.28-4+deb7u7 on Debian wheezy, before 7.0.56-3+deb8u6 on Debian jessie, before 7.0.52-1ubuntu0.8 on Ubuntu 14.04 LTS, and on Ubuntu 12.04 LTS, 16.04 LTS, and 16.10; and the tomcat8 package before 8.0.14-1+deb8u5 on Debian jessie, before 8.0.32-1ubuntu1.3 on Ubuntu 16.04 LTS, before 8.0.37-1ubuntu0.1 on Ubuntu 16.10, and before 8.0.38-2ubuntu1 on Ubuntu 17.04 might allow local users with access to the tomcat account to gain root privileges via a setgid program in the Catalina directory, as demonstrated by /etc/tomcat8/Catalina/attack.","status":"published","published":"2017-03-23T16:00:00Z","modified":"2024-08-06T02:59:03.584Z","updated_at":"2026-11-02T14:33:31.764001Z"}],"euvd":[{"id":"EUVD-2016-10576","description":"The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0.45+dfsg-1~deb8u1 on Debian jessie, before 6.0.35-1ubuntu3.9 on Ubuntu 12.04 LTS and on Ubuntu 14.04 LTS; the tomcat7 package before 7.0.28-4+deb7u7 on Debian wheezy, before 7.0.56-3+deb8u6 on Debian jessie, before 7.0.52-1ubuntu0.8 on Ubuntu 14.04 LTS, and on Ubuntu 12.04 LTS, 16.04 LTS, and 16.10; and the tomcat8 package before 8.0.14-1+deb8u5 on Debian jessie, before 8.0.32-1ubuntu1.3 on Ubuntu 16.04 LTS, before 8.0.37-1ubuntu0.1 on Ubuntu 16.10, and before 8.0.38-2ubuntu1 on Ubuntu 17.04 might allow local users with access to the tomcat account to gain root privileges via a setgid program in the Catalina directory, as demonstrated by /etc/tomcat8/Catalina/attack.","status":"published","published":"2017-03-23T16:00:00Z","modified":"2024-08-06T02:59:03Z","updated_at":"2026-11-03T02:22:26.376959Z"}],"ghsa":[{"id":"GHSA-5xvw-jhvw-hvp2","title":"The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0...","description":"The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0.45+dfsg-1~deb8u1 on Debian jessie, before 6.0.35-1ubuntu3.9 on Ubuntu 12.04 LTS and on Ubuntu 14.04 LTS; the tomcat7 package before 7.0.28-4+deb7u7 on Debian wheezy, before 7.0.56-3+deb8u6 on Debian jessie, before 7.0.52-1ubuntu0.8 on Ubuntu 14.04 LTS, and on Ubuntu 12.04 LTS, 16.04 LTS, and 16.10; and the tomcat8 package before 8.0.14-1+deb8u5 on Debian jessie, before 8.0.32-1ubuntu1.3 on Ubuntu 16.04 LTS, before 8.0.37-1ubuntu0.1 on Ubuntu 16.10, and before 8.0.38-2ubuntu1 on Ubuntu 17.04 might allow local users with access to the tomcat account to gain root privileges via a setgid program in the Catalina directory, as demonstrated by /etc/tomcat8/Catalina/attack.","status":"published","published":"2022-05-13T01:09:33Z","modified":"2025-04-20T03:34:39Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:01:42.453698Z"}],"nvd":[{"id":"CVE-2016-9775","description":"The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0.45+dfsg-1~deb8u1 on Debian jessie, before 6.0.35-1ubuntu3.9 on Ubuntu 12.04 LTS and on Ubuntu 14.04 LTS; the tomcat7 package before 7.0.28-4+deb7u7 on Debian wheezy, before 7.0.56-3+deb8u6 on Debian jessie, before 7.0.52-1ubuntu0.8 on Ubuntu 14.04 LTS, and on Ubuntu 12.04 LTS, 16.04 LTS, and 16.10; and the tomcat8 package before 8.0.14-1+deb8u5 on Debian jessie, before 8.0.32-1ubuntu1.3 on Ubuntu 16.04 LTS, before 8.0.37-1ubuntu0.1 on Ubuntu 16.10, and before 8.0.38-2ubuntu1 on Ubuntu 17.04 might allow local users with access to the tomcat account to gain root privileges via a setgid program in the Catalina directory, as demonstrated by /etc/tomcat8/Catalina/attack.","status":"published","published":"2017-03-23T16:59:00.357Z","modified":"2026-06-17T00:56:32.417Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:03:37.238712Z"}],"osv":[{"id":"CVE-2016-9775","description":"The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0.45+dfsg-1~deb8u1 on Debian jessie, before 6.0.35-1ubuntu3.9 on Ubuntu 12.04 LTS and on Ubuntu 14.04 LTS; the tomcat7 package before 7.0.28-4+deb7u7 on Debian wheezy, before 7.0.56-3+deb8u6 on Debian jessie, before 7.0.52-1ubuntu0.8 on Ubuntu 14.04 LTS, and on Ubuntu 12.04 LTS, 16.04 LTS, and 16.10; and the tomcat8 package before 8.0.14-1+deb8u5 on Debian jessie, before 8.0.32-1ubuntu1.3 on Ubuntu 16.04 LTS, before 8.0.37-1ubuntu0.1 on Ubuntu 16.10, and before 8.0.38-2ubuntu1 on Ubuntu 17.04 might allow local users with access to the tomcat account to gain root privileges via a setgid program in the Catalina directory, as demonstrated by /etc/tomcat8/Catalina/attack.","status":"published","published":"2017-03-23T16:59:00.357Z","modified":"2026-10-24T10:30:40.153811114Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:03.472693Z"},{"id":"UBUNTU-CVE-2016-9775","description":"The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0.45+dfsg-1~deb8u1 on Debian jessie, before 6.0.35-1ubuntu3.9 on Ubuntu 12.04 LTS and on Ubuntu 14.04 LTS; the tomcat7 package before 7.0.28-4+deb7u7 on Debian wheezy, before 7.0.56-3+deb8u6 on Debian jessie, before 7.0.52-1ubuntu0.8 on Ubuntu 14.04 LTS, and on Ubuntu 12.04 LTS, 16.04 LTS, and 16.10; and the tomcat8 package before 8.0.14-1+deb8u5 on Debian jessie, before 8.0.32-1ubuntu1.3 on Ubuntu 16.04 LTS, before 8.0.37-1ubuntu0.1 on Ubuntu 16.10, and before 8.0.38-2ubuntu1 on Ubuntu 17.04 might allow local users with access to the tomcat account to gain root privileges via a setgid program in the Catalina directory, as demonstrated by /etc/tomcat8/Catalina/attack.","status":"published","published":"2016-12-02T00:00:00Z","modified":"2026-06-04T12:45:10.501216972Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:13.356796Z"},{"id":"DLA-728-1","title":"tomcat6 - security update","status":"published","published":"2016-12-01T00:00:00Z","modified":"2026-03-09T02:09:05.925737Z","updated_at":"2026-11-02T15:46:13.207219Z"},{"id":"DLA-729-1","title":"tomcat7 - security update","status":"published","published":"2016-12-01T00:00:00Z","modified":"2026-03-09T02:10:47.201103Z","updated_at":"2026-11-02T15:46:13.207219Z"},{"id":"DSA-3738-1","title":"tomcat7 - security update","status":"published","published":"2016-12-18T00:00:00Z","modified":"2026-03-09T01:20:14.437828Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"DSA-3739-1","title":"tomcat8 - security update","status":"published","published":"2016-12-18T00:00:00Z","modified":"2026-03-09T01:18:50.4651Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"USN-3177-1","title":"tomcat6, tomcat7, tomcat8 vulnerabilities","description":"It was discovered that the Tomcat realm implementations incorrectly handled\npasswords when a username didn't exist. A remote attacker could possibly\nuse this issue to enumerate usernames. This issue only applied to Ubuntu\n12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-0762)\n\nAlvaro Munoz and Alexander Mirosh discovered that Tomcat incorrectly\nlimited use of a certain utility method. A malicious application could\npossibly use this to bypass Security Manager restrictions. This issue only\napplied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.\n(CVE-2016-5018)\n\nIt was discovered that Tomcat did not protect applications from untrusted\ndata in the HTTP_PROXY environment variable. A remote attacker could\npossibly use this issue to redirect outbound traffic to an arbitrary proxy\nserver. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and\nUbuntu 16.04 LTS. (CVE-2016-5388)\n\nIt was discovered that Tomcat incorrectly controlled reading system\nproperties. A malicious application could possibly use this to bypass\nSecurity Manager restrictions. This issue only applied to Ubuntu 12.04 LTS,\nUbuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6794)\n\nIt was discovered that Tomcat incorrectly controlled certain configuration\nparameters. A malicious application could possibly use this to bypass\nSecurity Manager restrictions. This issue only applied to Ubuntu 12.04 LTS,\nUbuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6796)\n\nIt was discovered that Tomcat incorrectly limited access to global JNDI\nresources. A malicious application could use this to access any global JNDI\nresource without an explicit ResourceLink. This issue only applied to\nUbuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6797)\n\nRegis Leroy discovered that Tomcat incorrectly filtered certain invalid\ncharacters from the HTTP request line. A remote attacker could possibly\nuse this issue to inject data into HTTP responses. (CVE-2016-6816)\n\nPierre Ernst discovered that the Tomcat JmxRemoteLifecycleListener did not\nimplement a recommended fix. A remote attacker could possibly use this\nissue to execute arbitrary code. (CVE-2016-8735)\n\nIt was discovered that Tomcat incorrectly handled error handling in the\nsend file code. A remote attacker could possibly use this issue to access\ninformation from other requests. (CVE-2016-8745)\n\nPaul Szabo discovered that the Tomcat package incorrectly handled upgrades\nand removals. A local attacker could possibly use this issue to obtain\nroot privileges. (CVE-2016-9774, CVE-2016-9775)\n","status":"published","published":"2017-01-23T18:24:10Z","modified":"2026-04-27T15:17:28.97088925Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}