CVE-2023-26448 : Security Advisory and Response

This CVE-2023-26448 was published on August 2, 2023, and affects OX App Suite software developed by OX Software GmbH. The vulnerability was discovered internally and is related to improper neutralization of input during web page generation, specifically involving custom log-in and log-out locations in jslob content.

Understanding CVE-2023-26448

This section delves deeper into what CVE-2023-26448 entails, its impact, technical details, and mitigation strategies.

What is CVE-2023-26448?

The vulnerability allows the execution of malicious script code within the victim's context through custom log-in and log-out locations defined in jslob content. This could lead to session hijacking or triggering unwanted actions via the web interface and API. An attacker would need temporary access to a user's account or compromise an account to exploit this.

The Impact of CVE-2023-26448

The impact of this vulnerability is categorized as medium severity. It has a CVSS v3.1 base score of 5.4, with low impacts on confidentiality and integrity, requiring low privileges and user interaction to exploit. The attack vector is through the network, with low attack complexity and no availability impact.

Technical Details of CVE-2023-26448

This section provides technical details about the vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

Custom log-in and log-out locations designated as jslob were not properly checked for malicious protocol handlers, enabling the execution of malicious script code within the victim's context, potentially leading to session hijacking or unauthorized actions via the web interface and API. The issue has been addressed by sanitizing jslob content in these locations to prevent redirects to malicious content.

Affected Systems and Versions

The vulnerability affects OX App Suite versions equal to or less than 7.10.6-rev27.

Exploitation Mechanism

To exploit this vulnerability, an attacker would need temporary access to a user's account or entice a user to a compromised account. Notably, no publicly available exploits are known.

Mitigation and Prevention

In response to CVE-2023-26448, it is crucial to take immediate steps, implement long-term security practices, and apply recommended patches and updates.

Immediate Steps to Take

It is advised to sanitize jslob content in custom log-in and log-out locations to prevent the execution of malicious script code and potential session hijacking. Organizations using the affected OX App Suite version should review and update their security protocols accordingly.

Long-Term Security Practices

In the long run, organizations should prioritize ongoing security assessments, user awareness training, and proactive measures to mitigate the risk of similar vulnerabilities being exploited in the future.

Patching and Updates

Users of OX App Suite versions equal to or less than 7.10.6-rev27 are recommended to install the necessary patches provided by the vendor to address the CVE-2023-26448 vulnerability and enhance the overall security posture of their systems.