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CVE
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CVE-2015-2318Date: (C)2018-01-11   (M)2023-12-22


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 Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 8.1CVSS Score : 6.8
Exploit Score: 2.2Exploit Score: 8.6
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
BID-73253
DSA-3202
USN-2547-1
http://www.openwall.com/lists/oss-security/2015/03/17/9
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
https://mitls.org/pages/attacks/SMACK#skip

CPE    1
cpe:/o:debian:debian_linux:6.0
CWE    1
CWE-295
OVAL    2
oval:org.secpod.oval:def:52437
oval:org.secpod.oval:def:702480

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