{"id":"CVE-2015-2318","details":"The TLS stack in Mono before 3.12.1 allows man-in-the-middle attackers to conduct message skipping attacks and consequently impersonate clients by leveraging missing handshake state validation, aka a \"SMACK SKIP-TLS\" issue.","modified":"2026-01-27T04:13:53.746558Z","published":"2018-01-08T19:29:00Z","withdrawn":"2026-01-27T04:13:53.746558Z","related":["MGASA-2015-0156","SUSE-SU-2015:0841-1","openSUSE-SU-2024:10476-1"],"references":[{"type":"ADVISORY","url":"http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2015/03/17/9"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/73253"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2547-1"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1202869"},{"type":"ADVISORY","url":"https://github.com/mono/mono/commit/1509226c41d74194c146deb173e752b8d3cdeec4"},{"type":"ADVISORY","url":"https://mitls.org/pages/attacks/SMACK#skip"},{"type":"ADVISORY","url":"https://www.debian.org/security/2015/dsa-3202"}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}