Reliance on Untrusted Inputs in a Security Decision Affecting dotnet package, versions <0:3.1.108-2.el8_2
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Test your applications- Snyk ID SNYK-RHEL8-DOTNET-3835862
- published 26 Jul 2021
- disclosed 1 Jul 2020
Introduced: 1 Jul 2020
CVE-2020-1045 Open this link in a new tabHow 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
- https://access.redhat.com/security/cve/CVE-2020-1045
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5LN2FUVBSVPGK7AU3NMLO3YR6CGONQPB/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ASICXQXS4M7MTAF6SGQMCLCA63DLCUT3/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1045
- https://access.redhat.com/errata/RHSA-2020:3699
- https://github.com/dotnet/core/blob/main/release-notes/3.1/3.1.8/3.1.8.md#changes-in-318
- https://security.snyk.io/vuln/SNYK-RHEL8-DOTNET-1439600
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LN2FUVBSVPGK7AU3NMLO3YR6CGONQPB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ASICXQXS4M7MTAF6SGQMCLCA63DLCUT3/