Information disclosure in Bradleyfalzon Ghinstallation
CVE-2022-39304
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (31.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Bradleyfalzon Ghinstallation — versions < 2.0.0
- Ghinstallation Project
Weakness classification (CWE)
References
- github.com/bradleyfalzon/ghinstallation/security/advisories/GHSA-h4q8-96p6-jcgr (Patch, Third Party Advisory)
- github.com/bradleyfalzon/ghinstallation/commit/d24f14f8be70d94129d76026e8b0f4f9… (Patch, Third Party Advisory)
- docs.github.com/en/developers/apps/building-github-apps/authenticating-with-git… (Technical Description, Third Party Advisory)
- github.com/bradleyfalzon/ghinstallation/blob/24e56b3fb7669f209134a01eff731d7e2e… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-39304?
- CVE-2022-39304 is a medium-severity vulnerability in Bradleyfalzon Ghinstallation, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 5.0/10. Published 2022-12-20.
- How severe is CVE-2022-39304?
- Medium severity. CVSS v3 base score is 5.0 out of 10.