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Microsoft CVE-2020-1118: Microsoft Windows Transport Layer Security Denial of Service Vulnerability

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Microsoft CVE-2020-1118: Microsoft Windows Transport Layer Security Denial of Service Vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
05/12/2020
Created
05/13/2020
Added
06/09/2020
Modified
11/18/2021

Description

A denial of service vulnerability exists in the Windows implementation of Transport Layer Security (TLS) when it improperly handles certain key exchanges. An attacker who successfully exploited the vulnerability could cause a target system to stop responding. To exploit this vulnerability, a remote unauthenticated attacker could send a specially crafted request to a target system utilizing TLS 1.2 or lower, triggering the system to automatically reboot. The update addresses the vulnerability by changing the way TLS key exchange messages are validated.

Solution(s)

  • msft-kb4551853-1d25cfb0-31f1-48b4-ac45-99d819a32ab7
  • msft-kb4551853-cce9dd88-2595-4168-a0ae-814612863f2b
  • msft-kb4551853-d8c58f30-4d7d-4aff-9e93-6ff2ae128f13
  • msft-kb4556799-0f2d06b0-3738-472e-8275-991c5394c2f1
  • msft-kb4556799-2e69bf96-184c-46b9-8937-306e23bdb930
  • msft-kb4556799-7f570c23-239e-430c-b403-391861eae9a3
  • msft-kb4556799-80497d7a-0a69-4f9e-805d-a8fa302967a6
  • msft-kb4556799-92289747-4a2a-48fa-9fa7-307f2f5dbcaf
  • msft-kb4556799-94cb3319-c037-4529-8187-81eaa6eaa6cd
  • msft-kb4556807-667b6b79-dad1-4ca7-9e1b-316c1ab3b620
  • msft-kb4556807-cc1b2352-a313-434e-97d9-4d5af44ebe22
  • msft-kb4556812-5bb8e7e7-a95f-4bb7-b741-1060639b133d
  • msft-kb4556812-9210cc51-b6e2-4474-999e-1b1a1de3d6dd

References

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