Security Advisory

CVE-2020-1045

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-09-11 00:00:00
Last updated 2024-11-18 16:25:38
Assigner microsoft
State PUBLISHED

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>