Origin Validation Error Affecting github.com/gin-contrib/cors package, versions <1.6.0


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMGINCONTRIBCORS-7413608
  • published 30 Jun 2024
  • disclosed 29 Jun 2024
  • credit Benjamin Mitzkus

How to fix?

Upgrade github.com/gin-contrib/cors to version 1.6.0 or higher.

Overview

Affected versions of this package are vulnerable to Origin Validation Error due to the mishandling of wildcard characters at the end of an origin string. An attacker can bypass intended CORS restrictions by crafting origin strings that exploit this wildcard handling.

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)
    Low
  • Availability (VA)
    None
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None