Upstream information

CVE-2020-1045 at MITRE

Description

<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>

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
CVSSv3 Version 3.1
No SUSE Bugzilla entries cross referenced.

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Liberty Linux 8
  • aspnetcore-runtime-3.1 >= 3.1.8-2.el8_2
  • aspnetcore-targeting-pack-3.1 >= 3.1.8-2.el8_2
  • dotnet >= 3.1.108-2.el8_2
  • dotnet-apphost-pack-3.1 >= 3.1.8-2.el8_2
  • dotnet-host >= 3.1.8-2.el8_2
  • dotnet-hostfxr-3.1 >= 3.1.8-2.el8_2
  • dotnet-runtime-3.1 >= 3.1.8-2.el8_2
  • dotnet-sdk-3.1 >= 3.1.108-2.el8_2
  • dotnet-targeting-pack-3.1 >= 3.1.8-2.el8_2
  • dotnet-templates-3.1 >= 3.1.108-2.el8_2
  • netstandard-targeting-pack-2.1 >= 3.1.108-2.el8_2
 Patchnames:
RHSA-2020:3699

SUSE Timeline for this CVE

CVE page created: Mon Sep 7 10:55:24 2020
CVE page last modified: Sat Aug 24 18:32:10 2024