CVE-2022-31154 : Exploit Details and Defense Strategies

Indirect Object Access in Sourcegraph Code Monitoring

Understanding CVE-2022-31154

Sourcegraph, an open-source code search and navigation engine, was identified with a vulnerability that allowed authenticated users to edit Code Monitors owned by other users. This security issue has been assigned CVE-2022-31154.

What is CVE-2022-31154?

CVE-2022-31154 involves indirect object access in Sourcegraph Code Monitoring, where authenticated users could edit the Code Monitors of other users, impacting both trigger and action settings.

The Impact of CVE-2022-31154

The vulnerability assigned with CVSS base score 6.4 (Medium) could be exploited by an attacker to override data in Code Monitors, although they are unable to view contents. The issue is resolved in Sourcegraph version 3.42.

Technical Details of CVE-2022-31154

Vulnerability Description

The vulnerability allowed authenticated users to edit the Code Monitors of other Sourcegraph users, compromising code monitoring configurations.

Affected Systems and Versions

Sourcegraph versions earlier than 3.42 are affected by this vulnerability, where an authenticated user could manipulate Code Monitors.

Exploitation Mechanism

An authenticated user could exploit this vulnerability to edit Code Monitors owned by other Sourcegraph users, impacting monitoring configurations.

Mitigation and Prevention

Immediate Steps to Take

It is highly recommended to patch Sourcegraph to version 3.42 to address the vulnerability. There are no workarounds available for this issue.

Long-Term Security Practices

Regularly update Sourcegraph and monitor security advisories to stay informed about potential vulnerabilities.

Patching and Updates

Ensure timely deployment of software patches and updates to protect against known security threats.