bradleyfalzon/ghinstallation · Security
ghinstallation returns app JWT in error responses
- GHSA ID
- GHSA-h4q8-96p6-jcgr
- CVE ID
- CVE-2022-39304
- Severity
- medium
- Published
- Updated
- CVSS
- 5 · CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:L
- CVSS v3
- 5 · CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:L
Description
Impact
In ghinstallation v1, when the request to refresh an installation token failed, the HTTP request and response would be returned for debugging.
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
CWEs
- CWE-209 · Generation of Error Message Containing Sensitive Information
References
- 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 ↗