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'.
References
Link | Resource |
---|---|
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1045 | Patch Vendor Advisory |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5LN2FUVBSVPGK7AU3NMLO3YR6CGONQPB/ | Mailing List Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ASICXQXS4M7MTAF6SGQMCLCA63DLCUT3/ | Mailing List Third Party Advisory |
https://access.redhat.com/errata/RHSA-2020:3699 | Third Party Advisory |
https://security.snyk.io/vuln/SNYK-RHEL8-DOTNET-1439600 | Third Party Advisory |
https://github.com/dotnet/core/blob/main/release-notes/3.1/3.1.8/3.1.8.md#changes-in-318 | Release Notes Third Party Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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Information
Published : 2020-09-11 10:15
Updated : 2022-12-12 10:29
NVD link : CVE-2020-1045
Mitre link : CVE-2020-1045
JSON object : View
CWE
Products Affected
redhat
- enterprise_linux_aus
- enterprise_linux
- enterprise_linux_tus
- enterprise_linux_eus
fedoraproject
- fedora
microsoft
- asp.net_core