CVE-2015-2318Improper Certificate Validation in Mono

Severity
8.1HIGHNVD
OSV5.8
EPSS
1.3%
top 20.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 8
Latest updateMay 14

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9

Affected Packages4 packages

debiandebian/mono< mono 3.2.8+dfsg-10 (bookworm)
NVDmono-project/mono< 3.12.1
Debianmono/mono< 3.2.8+dfsg-10+3
Ubuntumono/mono< 3.2.8+dfsg-4ubuntu1.1

Also affects: Debian Linux 6.0

🔴Vulnerability Details

3
GHSA
GHSA-xv64-wpfr-x2m3: The TLS stack in Mono before 32022-05-14
OSV
CVE-2015-2318: The TLS stack in Mono before 32018-01-08
OSV
mono vulnerabilities2015-03-24

📋Vendor Advisories

2
Ubuntu
Mono vulnerabilities2015-03-24
Debian
CVE-2015-2318: mono - The TLS stack in Mono before 3.12.1 allows man-in-the-middle attackers to conduc...2015

💬Community

1
Bugzilla
CVE-2015-2318 CVE-2015-2319 CVE-2015-2320 mono: TLS implementation vulnerabilities2015-03-17