CVE-2020-1045

 

Published at: - 11-09-2020 07:15

Last modified: - 23-11-2022 07:15

Total changes: - 4

Description

A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.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.The security update addresses the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names., aka 'Microsoft ASP.NET Core Security Feature Bypass Vulnerability'.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

 

Verification logic

 

Reference

• N/A-Patch, Vendor Advisory
• FEDORA-2020-e2deb72e0f-Mailing List, Third Party Advisory
• FEDORA-2020-48fa1ad65c-Mailing List, Third Party Advisory
• https://access.redhat.com/errata/RHSA-2020:3699
• https://security.snyk.io/vuln/SNYK-RHEL8-DOTNET-1439600
• https://github.com/dotnet/core/blob/main/release-notes/3.1/3.1.8/3.1.8.md#changes-in-318

 

Keywords

NVD

 

CVE-2020-1045

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures