Improper Certificate Validation Affecting system.net.http.winhttphandler package, versions [,4.0.2) [4.3,4.5.4)
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- Snyk ID SNYK-DOTNET-SYSTEMNETHTTPWINHTTPHANDLER-60042
- published 12 May 2017
- disclosed 12 May 2017
- credit Joonwoo Yu, Hyoung-Kee Choi
How to fix?
System.Net.Http.WinHttpHandler to version 4.0.2, 4.5.4 or higher.
Affected versions of this package are vulnerable to Improper Certificate Validation. It allows an attacker to bypass Enhanced Security Usage tagging when they present a certificate that is invalid for a specific use.