Improper Input Validation Affecting system.formats.asn1 package, versions [,6.0.1) [7.0.0-preview.1.22076.8,8.0.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.09% (40th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-DOTNET-SYSTEMFORMATSASN1-7443633
  • published 11 Jul 2024
  • disclosed 9 Jul 2024
  • credit Unknown

How to fix?

Upgrade System.Formats.Asn1 to version 6.0.1, 8.0.1 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation through the parsing of X.509 certificates. An attacker can cause excessive CPU consumption and disrupt service by submitting a specially crafted malicious certificate.

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

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