CVE-2023-46645 Path traversal in GitHub Enterprise Server leading to arbitrary file reading when building a GitHub Pages site

Medium 6.8 Published Updated

An attacker with site creation permissions can read arbitrary files on the server via path traversal during GitHub Pages builds.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-46645?

CVE-2023-46645 is a medium-severity path traversal vulnerability in Github Enterprise Server, published on 21 Dec 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A path traversal vulnerability was identified in GitHub Enterprise Server that allowed arbitrary file reading when building a GitHub Pages site. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server since 3.7 and was fixed in version 3.7.19, 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-22

Which versions are affected by CVE-2023-46645?

It affects 1 product.

Products include Github Enterprise Server.

How do I fix CVE-2023-46645?

No fix has been published for CVE-2023-46645 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-46645 being exploited?

There is no known exploitation of CVE-2023-46645 in the wild and no public exploit code.

All Github Enterprise Server vulnerabilities

Sources

Also known as GHSA-w6rg-549q-6qp2.

Is CVE-2023-46645 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free