Use After Free Affecting microsoft.aspnetcore.app.runtime.linux-musl-arm64 package, versions [8.0.0,8.0.7)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.11% (46th percentile)

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  • Snyk ID SNYK-DOTNET-MICROSOFTASPNETCOREAPPRUNTIMELINUXMUSLARM64-7444584
  • published 12 Jul 2024
  • disclosed 9 Jul 2024
  • credit Unknown

How to fix?

Upgrade Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 to version 8.0.7 or higher.

Overview

Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 is a package providing a default set of APIs for building an ASP.NET Core application. Contains assets used for self-contained deployments.

Affected versions of this package are vulnerable to Use After Free through the handling of HTTP/3 requests in the Kestrel server. An attacker can execute arbitrary code by sending specially crafted HTTP/3 requests that exploit the data corruption issue.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
9.2 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    High
  • Integrity (VI)
    High
  • Availability (VA)
    High
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None