Information disclosure in GitHub Enterprise Server leading to private repository leakage
CVE-2023-23763

5.3MEDIUM

Key Information:

Vendor

Github
Status
Enterprise Server
Vendor
CVE Published:
1 September 2023

What is CVE-2023-23763?

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 Version(s)

Enterprise Server 3.6.0 < 3.6.18

Enterprise Server 3.7.0 < 3.7.16

Enterprise Server 3.8.0 < 3.8.9

References

https://docs.github.com/en/[email protected]/admin/re...
https://docs.github.com/en/[email protected]/admin/re...
https://docs.github.com/en/[email protected]/admin/re...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

inspector-ambitious
.