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Improper Certificate Validation Affecting system.net.http package, versions [,4.1.2) [4.3,4.3.2)

0.0
high

Snyk CVSS

    Attack Complexity Low
    Integrity High

    Threat Intelligence

    EPSS 0.21% (59th percentile)
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NVD
7.5 high

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  • Snyk ID SNYK-DOTNET-SYSTEMNETHTTP-60046
  • published 12 May 2017
  • disclosed 12 May 2017
  • credit Joonwoo Yu, Hyoung-Kee Choi
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Introduced: 12 May 2017

CVE-2017-0248 Open this link in a new tab
CWE-287 Open this link in a new tab

How to fix?

Upgrade System.Net.Http to version 4.1.2, 4.3.2 or higher.

Overview

System.Net.Http is a Provides a programming interface for modern HTTP applications, including HTTP client components that allow applications to consume web services over HTTP and HTTP components that can be used by both clients and servers for parsing HTTP headers.

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.