Incorrect authorization in GitHub Enterprise Server token generation leading to full admin access
CVE-2022-23741

7.2HIGH

Key Information:

Vendor
Github
Status
Github Enterprise Server
Vendor
CVE Published:
14 December 2022

Summary

An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed a scoped user-to-server token to escalate to full admin/owner privileges. An attacker would require an account with admin access to install a malicious GitHub App. This vulnerability was fixed in versions 3.3.17, 3.4.12, 3.5.9, and 3.6.5. This vulnerability was reported via the GitHub Bug Bounty program.

Affected Version(s)

GitHub Enterprise Server 3.3 < 3.3.17

GitHub Enterprise Server 3.4 < 3.4.12

GitHub Enterprise Server 3.5 < 3.5.9

References

https://docs.github.com/en/enterprise-server%403.3/admin/...
https://docs.github.com/en/enterprise-server%403.4/admin/...
https://docs.github.com/en/enterprise-server%403.5/admin/...

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Vaibhav Singh (@vaib25vicky)
.