CVE-2023-29050 : What You Need to Know

A high-severity vulnerability CVE-2023-29050 has been identified in OX App Suite, a product by Open-Xchange GmbH, that could allow privileged users to inject LDAP filter strings. This could lead to unauthorized access to content, breach of confidentiality, and denial of service attacks. Here's what you need to know about this CVE.

Understanding CVE-2023-29050

This section provides a detailed insight into the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-29050?

The CVE-2023-29050 vulnerability relates to the "LDAP contacts provider" in OX App Suite. Privileged users could potentially inject LDAP filter strings to access unauthorized content and cause denial of service attacks.

The Impact of CVE-2023-29050

Unauthorized users exploiting this vulnerability could breach the confidentiality of information in the directory, leading to potential denial of service attacks. The vulnerability poses a high risk to the integrity of the LDAP data.

Technical Details of CVE-2023-29050

Here, we delve into the specifics of the vulnerability, including the description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability allows privileged users to inject LDAP filter strings, enabling access to unauthorized content and potential denial of service attacks. Encoding has been enhanced to secure user-provided fragments during LDAP query construction.

Affected Systems and Versions

OX App Suite versions 7.10.6-rev50 and below, as well as version 8.16, are affected by this vulnerability. Users of these versions are at risk of exploitation.

Exploitation Mechanism

Privileged users can exploit the vulnerability by injecting LDAP filter strings, circumventing security measures to access unauthorized content and potentially disrupt directory services.

Mitigation and Prevention

In this section, you will find recommendations on how to mitigate the impact of CVE-2023-29050 and prevent potential security breaches.

Immediate Steps to Take

Users are advised to update OX App Suite to the latest version, apply patches released by Open-Xchange GmbH, and monitor LDAP queries for unauthorized access attempts.

Long-Term Security Practices

Incorporating strict access controls, regular security audits, and employee training on secure LDAP query practices can enhance long-term security against LDAP injection vulnerabilities.

Patching and Updates

Open-Xchange GmbH has released patches for the affected versions. Users are strongly encouraged to apply these patches promptly to secure their systems against potential LDAP injection attacks.