CVE-2023-22733 : Security Advisory and Response

An improper output neutralization vulnerability has been identified in the log module of Shopware, an open-source commerce platform based on Symfony Framework and Vue.js. This vulnerability, assigned the CVE ID CVE-2023-22733, allows the insertion of sensitive information into log files, potentially exposing user accounts to unauthorized access.

Understanding CVE-2023-22733

This section delves into the details of the CVE-2023-22733 vulnerability in Shopware.

What is CVE-2023-22733?

In Shopware versions less than 6.4.18.1, the log module writes out various types of sent mails. If exploited, an attacker with access to either the local system logs or a centralized logging store could gain unauthorized access to other users' accounts.

The Impact of CVE-2023-22733

The impact of this vulnerability is rated as low severity with a base score of 2.7 according to the CVSS v3.1 metrics. Although the attack complexity is low and requires high privileges, the confidentiality impact is low, with no integrity impact and availability impact.

Technical Details of CVE-2023-22733

This section provides technical insights into the CVE-2023-22733 vulnerability.

Vulnerability Description

The vulnerability arises due to the improper output neutralization in the log module of Shopware, leading to the insertion of sensitive information into log files.

Affected Systems and Versions

The affected vendor is Shopware and the impacted product is the platform. Specifically, versions prior to 6.4.18.1 are vulnerable to this security flaw.

Exploitation Mechanism

Attackers can exploit this vulnerability by gaining access to either the local system logs or a centralized logging store, which could potentially compromise user accounts.

Mitigation and Prevention

Protecting systems from CVE-2023-22733 involves implementing immediate steps and adopting long-term security practices.

Immediate Steps to Take

Users are advised to update their Shopware platform to version 6.4.18.1 to mitigate the vulnerability.
For older versions (6.1, 6.2, and 6.3), corresponding security measures are available via a plugin.
Users who are unable to upgrade should consider removing log module ACL rights from all users or disabling logging as temporary mitigation measures.

Long-Term Security Practices

It is recommended to stay informed about security updates provided by Shopware and promptly apply patches to address known vulnerabilities. Regularly updating to the latest Shopware version ensures the inclusion of critical security enhancements.

Patching and Updates

For detailed information on security updates and patches related to CVE-2023-22733, users can refer to Shopware's security advisory and documentation provided on their official website.