GHSA-h4q8-96p6-jcgrMediumCVSS 5.0
ghinstallation returns app JWT in error responses
🔗 CVE IDs covered (1)
📋 Description
Impact
In ghinstallation v1, when the request to refresh an installation token failed, the HTTP request and response would be returned for debugging.
https://github.com/bradleyfalzon/ghinstallation/blob/24e56b3fb7669f209134a01eff731d7e2ef72a5c/transport.go#L172-L174
The request contained the bearer JWT for the App, and was returned back to clients. This token is short lived (10 minute maximum).
Patches
- This has already been patched in d24f14f8be70d94129d76026e8b0f4f9170c8c3e, and is available in releases >= v2.0.0.
References
Are there any links users can visit to find out more?
- See https://docs.github.com/en/developers/apps/building-github-apps/authenticating-with-github-apps#authenticating-as-an-installation for the App installation flow.
For more information
If you have any questions or comments about this advisory:
- Open an issue in ghinstallation
🎯 Affected products1
- go/github.com/bradleyfalzon/ghinstallation:< 2.0.0
🔗 References (8)
- https://github.com/bradleyfalzon/ghinstallation/security/advisories/GHSA-h4q8-96p6-jcgr
- https://github.com/bradleyfalzon/ghinstallation/commit/d24f14f8be70d94129d76026e8b0f4f9170c8c3e
- https://github.com/bradleyfalzon/ghinstallation/blob/24e56b3fb7669f209134a01eff731d7e2ef72a5c/transport.go#L172-L174
- https://nvd.nist.gov/vuln/detail/CVE-2022-39304
- https://docs.github.com/en/developers/apps/building-github-apps/authenticating-with-github-apps#authenticating-as-an-installation
- https://securitylab.github.com/advisories/GHSL-2022-061_ghinstallation/
- https://pkg.go.dev/vuln/GO-2022-1178
- https://github.com/advisories/GHSA-h4q8-96p6-jcgr