medium5.3
CVE-2022-36885
Jenkins GitHub plugin uses weak webhook signature function
Impact
Jenkins GitHub Plugin 1.34.4 and earlier uses a non-constant time comparison function when checking whether the provided and computed webhook signatures are equal, allowing attackers to use statistical methods to obtain a valid webhook signature. GitHub Plugin 1.34.5 uses a constant-time comparison when validating the webhook signature.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | com.coravy.hudson.plugins.github:github | <= 1.34.4 | 1.34.5 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Jenkins | Github | through 1.34.4 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- http://www.openwall.com/lists/oss-security/2022/07/27/1
- https://www.jenkins.io/security/advisory/2022-07-27/#SECURITY-1849
- https://github.com/advisories/GHSA-mxcc-7h5m-x57r
- https://nvd.nist.gov/vuln/detail/CVE-2022-36885
- https://github.com/jenkinsci/github-plugin/releases/tag/v1.34.5
- https://plugins.jenkins.io/github-issues/
- https://github.com/jenkinsci/github-plugin/commit/11d1d79ebf85248dc43432389746c1ecc3452b6a