CVE-2024-23673 Apache Sling Servlets Resolver: Malicious code execution via path traversal

What is CVE-2024-23673?

CVE-2024-23673 is a high-severity path traversal vulnerability in Apache Sling Servlets Resolver, published on 6 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Malicious code execution via path traversal in Apache Software Foundation Apache Sling Servlets Resolver.This issue affects all version of Apache Sling Servlets Resolver before 2.11.0. However, whether a system is vulnerable to this attack depends on the exact configuration of the system. If the system is vulnerable, a user with write access to the repository might be able to trick the Sling Servlet Resolver to load a previously uploaded script. 

Users are recommended to upgrade to version 2.11.0, which fixes this issue. It is recommended to upgrade, regardless of whether your system configuration currently allows this attack or not.

Weakness: CWE-22

Which versions are affected by CVE-2024-23673?

2 open source packages ship an affected version, including org.apache.sling:org.apache.sling.servlets.resolver. It affects 1 product.

Products include Apache Sling Servlets Resolver.

How do I fix CVE-2024-23673?

Upgrade org.apache.sling:org.apache.sling.servlets.resolver to 2.11.0 or later.

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

Is CVE-2024-23673 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-23673 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

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

Also known as GHSA-h2rq-qhr7-53gm.