CVE-2023-26493

Summary

Cocos Engine is an open-source framework for building 2D & 3D real-time rendering and interactive content. In the github repo for Cocos Engine the web-interface-check.yml was subject to command injection. The web-interface-check.yml was triggered when a pull request was opened or updated and contained the user controllable field (${{ github.head_ref }} – the name of the fork’s branch). This would allow an attacker to take over the GitHub Runner and run custom commands (potentially stealing secrets such as GITHUB_TOKEN) and altering the repository. The workflow has since been removed for the repository. There are no actions required of users.

Affected Software

Weaknesses

• CWE-74: CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

ADP Enrichment

CVE Program Container

Additional References

• https://securitylab.github.com/advisories/GHSL-2023-027_Engine_for_Cocos_Creator/
• https://github.com/cocos/cocos-engine/commit/6d06aefa2684e20da79e7ceaf41f728c1a8d7a41
• https://github.com/cocos/cocos-engine/blob/2362df28a4b3016dbda804899041279701929728/.github/workflows/web-interface-check.yml

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

References

• https://securitylab.github.com/advisories/GHSL-2023-027_Engine_for_Cocos_Creator/
• https://github.com/cocos/cocos-engine/commit/6d06aefa2684e20da79e7ceaf41f728c1a8d7a41
• https://github.com/cocos/cocos-engine/blob/2362df28a4b3016dbda804899041279701929728/.github/workflows/web-interface-check.yml

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