CVE-2022-36007 : Vulnerability Insights and Analysis

A detailed analysis of the Partial Path Traversal vulnerability in com.github.jlangch:venice.

Understanding CVE-2022-36007

This CVE describes a path traversal issue in Venice, affecting versions <= 1.10.16. The vulnerability allows loading files outside the configured load paths.

What is CVE-2022-36007?

Venice, a Lisp dialect, contains a path traversal flaw in the

load-file

and

load-resource

functions. It enables actors to load files from unintended directories, potentially leading to unauthorized access.

The Impact of CVE-2022-36007

The vulnerability's severity is rated as MEDIUM, with a CVSS base score of 6.1. Attackers with low privileges can exploit this issue to compromise the integrity of the system.

Technical Details of CVE-2022-36007

A deeper look into the specifics of the vulnerability.

Vulnerability Description

The flaw arises from improper limitation of pathnames in the load functions, allowing partial path traversal by manipulating absolute paths.

Affected Systems and Versions

Venice versions before and including 1.10.17 are vulnerable. Users with versions <= 1.10.16 are advised to upgrade to Venice >= 1.10.18.

Exploitation Mechanism

Attackers can leverage the vulnerability by crafting absolute paths with name prefixes matching the configured load paths to access unauthorized files.

Mitigation and Prevention

Best practices to mitigate and prevent exploitation of CVE-2022-36007.

Immediate Steps to Take

Upgrade to Venice version 1.10.18 or higher to remediate the vulnerability. Implement strict input validation to prevent path traversal attacks.

Long-Term Security Practices

Regularly update Venice to the latest versions and maintain awareness of security advisories from the vendor.

Patching and Updates

Refer to the GitHub releases to download the patched versions and stay informed about security fixes.