Authentication Bypass Affecting system.net.http.winhttphandler package, versions [,4.0.2) [4.3,4.5.4)
Snyk CVSS
Attack Complexity
Low
Threat Intelligence
EPSS
0.11% (44th
percentile)
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Test your applications- Snyk ID SNYK-DOTNET-SYSTEMNETHTTPWINHTTPHANDLER-60044
- published 12 May 2017
- disclosed 12 May 2017
- credit Mikhail Shcherbakov
Introduced: 12 May 2017
CVE-2017-0256 Open this link in a new tabHow to fix?
Upgrade System.Net.Http.WinHttpHandler to version 4.0.2, 4.5.4 or higher.
Overview
Affected versions of this package are vulnerable to Authentication Bypass. The ASP.NET Core fails to properly sanitize the _Web Request Handler_ component, allowing an attacker to spoof web requests and bypass authentication.