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Reliance on Untrusted Inputs in a Security Decision Affecting dotnet package, versions <0:3.1.108-2.el8_2

0.0
high

Snyk CVSS

    Attack Complexity Low
    Integrity High

    Threat Intelligence

    EPSS 0.24% (65th percentile)
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NVD
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-RHEL8-DOTNET-1439600
  • published 26 Jul 2021
  • disclosed 1 Jul 2020
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Introduced: 1 Jul 2020

CVE-2020-1045 Open this link in a new tab
CWE-807 Open this link in a new tab

How to fix?

Upgrade RHEL:8 dotnet to version 0:3.1.108-2.el8_2 or higher.
This issue was patched in RHSA-2020:3699.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dotnet package and not the dotnet package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

<p>A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.</p> <p>The ASP.NET Core cookie parser decodes entire cookie strings which could allow a malicious attacker to set a second cookie with the name being percent encoded.</p> <p>The security update addresses the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names.</p>

References