CVE-2015-2318

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 79%
VendorProductVersion
mono-projectmono
𝑥
< 3.12.1
debiandebian_linux
6.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mono
bullseye
6.8.0.105+dfsg-3.3~deb11u1
fixed
bookworm
6.8.0.105+dfsg-3.3
fixed
sid
6.12.0.199+dfsg-2
fixed
trixie
6.12.0.199+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mono
utopic
Fixed 3.2.8+dfsg-4ubuntu2.1
released
trusty
Fixed 3.2.8+dfsg-4ubuntu1.1
released
precise
Fixed 2.10.8.1-1ubuntu2.3
released
lucid
ignored
Common Weakness Enumeration
References
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://github.com/mono/mono/commit/1509226c41d74194c146deb173e752b8d3cdeec4
https://mitls.org/pages/attacks/SMACK#skip
https://www.debian.org/security/2015/dsa-3202
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://github.com/mono/mono/commit/1509226c41d74194c146deb173e752b8d3cdeec4
https://mitls.org/pages/attacks/SMACK#skip
https://www.debian.org/security/2015/dsa-3202