CVE-2015-2318
First published: Tue Mar 17 2015(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/mono | 5.18.0.240+dfsg-3 5.18.0.240+dfsg-3+deb10u1 6.8.0.105+dfsg-3.3~deb11u1 6.8.0.105+dfsg-3.3 6.8.0.105+dfsg-3.5 | |
| debian/mono | <=2.6.7-5<=2.10.8.1-8<=3.2.8+dfsg-9 | 3.2.8+dfsg-10 2.6.7-5.1+deb6u1 2.10.8.1-8+deb7u1 |
| redhat/Mono | <3.12.1 | 3.12.1 |
| Ubuntu Mono | <3.12.1 | |
| Debian | =6.0 |
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Reference Links
- https://github.com/mono/mono/commit/1509226c41d74194c146deb173e752b8d3cdeec4
- https://gist.github.com/directhex/f8c6e67f551d8a608154
- https://security-tracker.debian.org/tracker/CVE-2015-2318
- https://security-tracker.debian.org/tracker/CVE-2015-2319
- https://security-tracker.debian.org/tracker/CVE-2015-2320
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780751
- http://www.mono-project.com/news/2015/03/07/mono-tls-vulnerability/
- http://www.openwall.com/lists/oss-security/2015/03/17/9
- http://www.securityfocus.com/bid/73253
- http://www.ubuntu.com/usn/USN-2547-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1202869
- https://mitls.org/pages/attacks/SMACK#skip
- https://www.debian.org/security/2015/dsa-3202
- http://download.mono-project.com/sources/mono/mono-3.12.1.tar.bz2
- https://github.com/mono/mono/commit/9c38772f094168d8bfd5bc73bf8925cd04faad10
- https://github.com/mono/mono/commit/b371da6b2d68b4cdd0f21d6342af6c42794f998b
- http://seclists.org/oss-sec/2015/q1/772
- https://copr.fedoraproject.org/coprs/elsupergomez/mono/
- http://seclists.org/oss-sec/2015/q1/869
- https://access.redhat.com/security/cve/CVE-2015-2318
- https://www.smacktls.com
- https://access.redhat.com/security/cve/CVE-2015-2319
- https://access.redhat.com/security/cve/CVE-2015-2320
Frequently Asked Questions
What is the severity of CVE-2015-2318?
CVE-2015-2318 is classified as a high severity vulnerability due to its potential to enable man-in-the-middle attacks.
How do I fix CVE-2015-2318?
To fix CVE-2015-2318, upgrade your Mono version to at least 3.12.1 or apply any relevant patches provided by your distribution.
Which versions of Mono are affected by CVE-2015-2318?
CVE-2015-2318 affects Mono versions prior to 3.12.1, including several Debian and Red Hat releases.
What type of attack is possible with CVE-2015-2318?
CVE-2015-2318 allows attackers to conduct message skipping attacks to impersonate clients.
Is CVE-2015-2318 a local or remote vulnerability?
CVE-2015-2318 is a remote vulnerability, as it can be exploited over a network.
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