{"id":"CVE-2018-14938","aliases":["ALPINE-CVE-2018-14938","DEBIAN-CVE-2018-14938","DLA-2468-1","EUVD-2018-6820","GHSA-prgj-cjmj-v8ff","MGASA-2018-0401","UBUNTU-CVE-2018-14938","USN-3955-1"],"status":"published","title":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an...","description":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).","severity":{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02753,"percentile":0.86328,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125","CWE-190"],"published":"2018-08-04T00:00:00Z","modified":"2026-10-23T18:03:55Z","fixes":[{"ecosystem":"Alpine:v3.11","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"tcpflow","fixed_in":["1.5.0-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"tcpflow","fixed_in":["1.5.0+repack1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tcpflow","fixed_in":["1.5.0+repack1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tcpflow","fixed_in":["1.5.0+repack1-1"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"tcpflow","fixed_in":["1.4.4+repack1-3+deb8u1"],"sources":["osv"]},{"ecosystem":"Mageia:6","package":"tcpflow","fixed_in":["1.5.0-1.mga6"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"tcpflow","fixed_in":["1.4.4+repack1-2ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"tcpflow","fixed_in":["1.4.5+repack1-1ubuntu0.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"tcpflow","fixed_in":["1.4.5+repack1-4ubuntu0.18.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.11","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0+repack1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0+repack1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0+repack1-1"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.4+repack1-3+deb8u1"}]}]},{"source":"osv","ecosystem":"Mageia:6","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0-1.mga6"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.4+repack1-2ubuntu0.1~esm1"}]}],"versions":["1.3.0+dfsg-2","1.4.3+repack1-1","1.4.4+repack1-1","1.4.4+repack1-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.5+repack1-1ubuntu0.1"}]}],"versions":["1.4.4+repack1-3","1.4.5+repack1-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.5+repack1-4ubuntu0.18.04.1"}]}],"versions":["1.4.5+repack1-4","1.4.5+repack1-4build1","1.4.5+repack1-4build2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.5+repack1-1ubuntu0.1"}]}],"versions":["1.4.4+repack1-3","1.4.5+repack1-1"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"tcpflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.5+repack1-4ubuntu0.18.04.1"}]}],"versions":["1.4.5+repack1-4","1.4.5+repack1-4build1","1.4.5+repack1-4build2"],"bundled":2}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"digitalcorpora","product":"tcpflow"}],"references":[{"url":"https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40eb","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/simsong/tcpflow/issues/182","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://usn.ubuntu.com/3955-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/11/msg00046.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14938"},{"url":"https://github.com/advisories/GHSA-prgj-cjmj-v8ff"},{"url":"https://security.alpinelinux.org/vuln/CVE-2018-14938","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-14938","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2018-0401.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=23538","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/EFRZCT4UN4QXFPROASMGHI2MZ7OWZVZ2/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2018-14938","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3955-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-14938","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-18409","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-14938","description":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).","status":"published","published":"2018-08-05T03:00:00Z","modified":"2024-08-05T09:46:25.019Z","updated_at":"2026-11-02T14:35:00.948726Z"}],"euvd":[{"id":"EUVD-2018-6820","description":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).","status":"published","published":"2018-08-05T03:00:00Z","modified":"2024-08-05T09:46:25Z","updated_at":"2026-11-03T02:39:45.27774Z"}],"ghsa":[{"id":"GHSA-prgj-cjmj-v8ff","title":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an...","description":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).","status":"published","published":"2022-05-13T01:13:20Z","modified":"2023-02-01T05:03:56Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:50:07.322817Z"}],"nvd":[{"id":"CVE-2018-14938","description":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).","status":"published","published":"2018-08-05T03:29:00.217Z","modified":"2026-06-17T01:41:55.317Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125","CWE-190"],"updated_at":"2026-11-02T14:04:35.310988Z"}],"osv":[{"id":"ALPINE-CVE-2018-14938","description":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).","status":"published","published":"2018-08-05T03:29:00.217Z","modified":"2026-10-23T17:17:55.219195997Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:27:47.187336Z"},{"id":"CVE-2018-14938","description":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).","status":"published","published":"2018-08-05T03:29:00.217Z","modified":"2026-10-20T13:29:28.74653266Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:08.242347Z"},{"id":"DEBIAN-CVE-2018-14938","description":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).","status":"published","published":"2018-08-05T03:29:00.217Z","modified":"2026-10-23T18:03:55.106082273Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:30.290351Z"},{"id":"UBUNTU-CVE-2018-14938","description":"An issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through 1.5.0-alpha. There is an integer overflow in the function handle_prism during caplen processing. If the caplen is less than 144, one can cause an integer overflow in the function handle_80211, which will result in an out-of-bounds read and may allow access to sensitive memory (or a denial of service).","status":"published","published":"2018-08-04T00:00:00Z","modified":"2026-02-04T03:30:47.996942Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:17.014176Z"},{"id":"DLA-2468-1","title":"tcpflow - security update","status":"published","published":"2020-11-29T00:00:00Z","modified":"2026-03-09T01:18:20.235893Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"MGASA-2018-0401","title":"Updated tcpflow packages fix security vulnerability","description":"pdated tcpflow package fixes security vulnerability:\n\nAn issue was discovered in wifipcap/wifipcap.cpp in TCPFLOW through\n1.5.0-alpha. There is an integer overflow in the function handle_prism\nduring caplen processing. If the caplen is less than 144, one can cause\nan integer overflow in the function handle_80211, which will result in\nan out-of-bounds read and may allow access to sensitive memory or a\ndenial of service (CVE-2018-14938).\n","status":"published","published":"2018-10-19T18:00:37Z","modified":"2026-04-16T06:25:12.719207954Z","updated_at":"2026-11-02T15:49:40.793816Z"},{"id":"USN-3955-1","title":"tcpflow vulnerabilities","description":"It was discovered that tcpflow incorrectly handled certain malformed network \npackets. A remote attacker could send these packets to a target system, causing\ntcpflow to crash or possibly disclose sensitive information.\n","status":"published","published":"2019-04-24T17:57:30Z","modified":"2026-02-10T04:41:31Z","updated_at":"2026-11-02T16:58:14.019824Z"}]}}