CVE-2022-39304

Public Exploit
ghinstallation returns app JWT in error responses

Description

ghinstallation provides transport, which implements http.RoundTripper to provide authentication as an installation for GitHub Apps. In ghinstallation version 1, 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). This issue has been patched and is available in version 2.0.0.

Category

5.0
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: bradleyfalzon ghinstallation
Published at:
Updated at:

References

Link Tags
https://github.com/bradleyfalzon/ghinstallation/security/advisories/GHSA-h4q8-96p6-jcgr third party advisory patch
https://github.com/bradleyfalzon/ghinstallation/commit/d24f14f8be70d94129d76026e8b0f4f9170c8c3e third party advisory patch
https://docs.github.com/en/developers/apps/building-github-apps/authenticating-with-github-apps#authenticating-as-an-installation third party advisory technical description
https://github.com/bradleyfalzon/ghinstallation/blob/24e56b3fb7669f209134a01eff731d7e2ef72a5c/transport.go#L172-L174 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2022-39304?
CVE-2022-39304 has been scored as a medium severity vulnerability.
How to fix CVE-2022-39304?
To fix CVE-2022-39304, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-39304 being actively exploited in the wild?
It is possible that CVE-2022-39304 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-39304?
CVE-2022-39304 affects bradleyfalzon ghinstallation.
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