Vulnerability · Published Sep 1, 2023 · Assigned by GitHub_P
CVE-2023-23763Information disclosure in GitHub Enterprise Server leading to private repository leakage
Medium 5.3
In plain English
A medium-severity information exposure in Enterprise Server from GitHub. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Official description
An authorization/sensitive information disclosure vulnerability was identified in GitHub Enterprise Server that allowed a fork to retain read access to an upstream repository after its visibility was changed to private. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.10.0 and was fixed in versions 3.9.4, 3.8.9, 3.7.16 and 3.6.18. This vulnerability was reported via the GitHub Bug Bounty program.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| GitHub | Enterprise Server | 3.6.0 – before 3.6.183.7.0 – before 3.7.163.8.0 – before 3.8.93.9.0 – before 3.9.4 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.18-security-fixes
- https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.16-security-fixes
- https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.9-security-fixes
- https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.4-security-fixes