{"id":"CVE-2018-14438","aliases":["EUVD-2018-6355","GHSA-jvmf-8grh-h7xw","UBUNTU-CVE-2018-14438"],"status":"published","title":"In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls...","description":"In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01184,"percentile":0.68002,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2018-07-20T00:00:00Z","modified":"2026-10-24T10:30:25Z","fixes":[{"ecosystem":"Ubuntu:14.04:LTS","package":"wireshark","fixed_in":["2.6.3-1~ubuntu14.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"wireshark","fixed_in":["2.6.3-1~ubuntu16.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"wireshark","fixed_in":["2.6.3-1~ubuntu18.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.3-1~ubuntu14.04.1"}]}],"versions":["1.10.2-1","1.10.3-1","1.10.5-1ubuntu1","1.10.5-2","1.10.6-1","1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.3-1~ubuntu16.04.1"}]}],"versions":["1.12.7+g7fc8978-1","1.12.8+g5b6e543-2","2.0.1+g59ea380-3build1","2.0.2+ga16e22e-1","2.2.6+g32dac6a-2ubuntu0.16.04"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.3-1~ubuntu18.04.1"}]}],"versions":["2.4.2-1","2.4.3-1","2.4.4-1","2.4.5-1"]}],"products":[{"vendor":"wireshark","product":"wireshark"}],"references":[{"url":"http://www.securityfocus.com/bid/104876","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14921","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14438"},{"url":"https://github.com/advisories/GHSA-jvmf-8grh-h7xw"},{"url":"https://ubuntu.com/security/CVE-2018-14438","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-14438","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-14438","description":"In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.","status":"published","published":"2018-07-20T00:00:00Z","modified":"2024-08-05T09:29:51.313Z","updated_at":"2026-11-02T14:35:00.948726Z"}],"euvd":[{"id":"EUVD-2018-6355","description":"In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.","status":"published","published":"2018-07-20T00:00:00Z","modified":"2024-08-05T09:29:51Z","updated_at":"2026-11-03T02:39:46.696329Z"}],"ghsa":[{"id":"GHSA-jvmf-8grh-h7xw","title":"In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls...","description":"In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.","status":"published","published":"2022-05-14T02:59:22Z","modified":"2023-02-02T05:06:43Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:21.13569Z"}],"nvd":[{"id":"CVE-2018-14438","description":"In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.","status":"published","published":"2018-07-20T00:29:00.457Z","modified":"2026-06-17T01:40:59.45Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:33.865124Z"}],"osv":[{"id":"CVE-2018-14438","description":"In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.","status":"published","published":"2018-07-20T00:29:00.457Z","modified":"2026-10-24T10:30:25.514438614Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:08.242347Z"},{"id":"UBUNTU-CVE-2018-14438","description":"In Wireshark through 2.6.2, the create_app_running_mutex function in wsutil/file_util.c calls SetSecurityDescriptorDacl to set a NULL DACL, which allows attackers to modify the access control arbitrarily.","status":"published","published":"2018-07-20T00:29:00Z","modified":"2026-04-22T11:45:26.200195Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:17.014176Z"}]}}