{"id":"UBUNTU-CVE-2018-14938","details":"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).","modified":"2026-01-30T01:28:35.461823Z","published":"2018-08-04T00:00:00Z","related":["USN-3955-1"],"upstream":["CVE-2018-14938"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-14938"},{"type":"REPORT","url":"https://github.com/simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40eb"},{"type":"REPORT","url":"https://github.com/simsong/tcpflow/issues/182"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3955-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-14938"}],"affected":[{"package":{"name":"tcpflow","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/tcpflow@1.4.4+repack1-2ubuntu0.1~esm1?arch=source&distro=trusty/esm"},"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"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1.4.4+repack1-2ubuntu0.1~esm1","binary_name":"tcpflow"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14938.json"}},{"package":{"name":"tcpflow","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/tcpflow@1.4.5+repack1-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.5+repack1-1ubuntu0.1"}]}],"versions":["1.4.4+repack1-3","1.4.5+repack1-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.4.5+repack1-1ubuntu0.1","binary_name":"tcpflow"},{"binary_version":"1.4.5+repack1-1ubuntu0.1","binary_name":"tcpflow-nox"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14938.json"}},{"package":{"name":"tcpflow","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/tcpflow@1.4.5+repack1-4ubuntu0.18.04.1?arch=source&distro=bionic"},"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.4.5+repack1-4ubuntu0.18.04.1","binary_name":"tcpflow"},{"binary_version":"1.4.5+repack1-4ubuntu0.18.04.1","binary_name":"tcpflow-nox"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-14938.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}