CVE-2023-46648: Insufficient Entropy in GitHub Enterprise Server Management Console Invitation Token
First published: Thu Dec 21 2023(Updated: )
An insufficient entropy vulnerability was identified in GitHub Enterprise Server (GHES) that allowed an attacker to brute force a user invitation to the GHES Management Console. To exploit this vulnerability, an attacker would need knowledge that a user invitation was pending. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1. This vulnerability was reported via the GitHub Bug Bounty program.
Credit: product-cna@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GitHub Enterprise | >=3.8.0<3.8.12 | |
| GitHub Enterprise | >=3.9.0<3.9.7 | |
| GitHub Enterprise | >=3.10.0<3.10.4 | |
| GitHub Enterprise | =3.11.0 |
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Reference Links
- https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.12
- https://docs.github.com/en/enterprise-server@3.9/admin/release-notes#3.9.7
- https://docs.github.com/en/enterprise-server@3.10/admin/release-notes#3.10.4
- https://docs.github.com/en/enterprise-server@3.11/admin/release-notes#3.11.1
Frequently Asked Questions
What is the severity of CVE-2023-46648?
CVE-2023-46648 is classified as a moderate severity vulnerability due to its potential to allow brute force attacks on pending user invitations.
How do I fix CVE-2023-46648?
To address CVE-2023-46648, upgrade GitHub Enterprise Server to a version higher than 3.8.12, 3.9.7, 3.10.4, or 3.11.0.
Which versions of GitHub Enterprise Server are affected by CVE-2023-46648?
CVE-2023-46648 affects GitHub Enterprise Server versions 3.8.0 to 3.8.12, 3.9.0 to 3.9.7, 3.10.0 to 3.10.4, and 3.11.0.
What is the nature of the vulnerability CVE-2023-46648?
CVE-2023-46648 is an insufficient entropy vulnerability that can be exploited to brute force user invitations.
Can CVE-2023-46648 be exploited without user invitation knowledge?
No, an attacker needs to have knowledge that a user invitation is pending to exploit CVE-2023-46648.
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- version/github enterprise/3.10.0
- version/github enterprise/3.11.0