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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2318
Reference (s):
- BID:73253
- URL: http://www.securityfocus.com/bid/73253
- http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/
- https://bugzilla.redhat.com/show_bug.cgi?id=1202869
- https://github.com/mono/mono/commit/1509226c41d74194c146deb173e752b8d3cdeec4