CVE-2023-46648 Insufficient Entropy in GitHub Enterprise Server Management Console Invitation Token

What is CVE-2023-46648?

CVE-2023-46648 is a high-severity vulnerability in Github Enterprise Server, published on 21 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-331

Which versions are affected by CVE-2023-46648?

It affects 1 product.

Products include Github Enterprise Server.

How do I fix CVE-2023-46648?

No fix has been published for CVE-2023-46648 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-46648 being exploited?

There is no known exploitation of CVE-2023-46648 in the wild and no public exploit code.

Other vulnerabilities in Github Enterprise Server

• CVE-2024-4985 Auth bypass in Enterprise Server Critical 10.0
• CVE-2022-23739 Missing authorization in GitHub Enterprise Server Critical 9.8
• CVE-2022-46255 Improper Limitation of a Pathname to a Restricted Directory in GitHub Enterprise Server leading to RCE Critical 9.8
• CVE-2021-22869 Improper access control in GitHub Enterprise Server allows self-hosted runners to execute outside their control group Critical 9.8
• CVE-2024-9487 Auth bypass in Enterprise Server Critical 9.5

All Github Enterprise Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-m8vj-88wq-7chf.