GitHub Advisoryadvisory · Go

GHSA-h4q8-96p6-jcgr ghinstallation returns app JWT in error responses

MEDIUM Published 2022-12-19 Modified 2022-12-19 Official page ↗

Aliases: CVE-2022-39304
Ecosystem: Go
Packages: github.com/bradleyfalzon/ghinstallation
Severity: Moderate
CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:L
Weaknesses: CWE-209
Reviewed: 2022-12-19

Affected packages

• Go github.com/bradleyfalzon/ghinstallation: < 2.0.0 → fixed in 2.0.0

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

Related

Alias · CVE (1)

CVE-2022-39304 ghinstallation provides transport, which implements http.RoundTripper to provide authentication as an installation for GitHub Apps. vulnerability

Weakness · CWE (1)

CWE-209 Generation of Error Message Containing Sensitive Information weakness

References