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CVE-2015-2318

Published: 18 March 2015

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.

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
mono
Launchpad, Ubuntu, Debian
lucid Ignored
(end of life)
precise
Released (2.10.8.1-1ubuntu2.3)
trusty
Released (3.2.8+dfsg-4ubuntu1.1)
upstream
Released (3.2.8+dfsg-10,2.6.7-5.1+deb6u1)
utopic
Released (3.2.8+dfsg-4ubuntu2.1)
Patches:
upstream: https://github.com/mono/mono/commit/1509226c41d74194c146deb173e752b8d3cdeec4
upstream: https://gist.github.com/directhex/f8c6e67f551d8a608154

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H