CVE-2023-26431 Explained : Impact and Mitigation

This CVE record is related to a vulnerability found in OX App Suite, a product developed by OX Software GmbH. The vulnerability was published on June 20, 2023, with a base score of 5, indicating a medium severity level.

Understanding CVE-2023-26431

The CVE-2023-26431 vulnerability in OX App Suite involves the mishandling of IPv4-mapped IPv6 addresses, which could allow attackers with access to user accounts to bypass deny-list functionality. By exploiting this vulnerability, attackers could trigger requests to restricted network infrastructure, gaining insight into topology and running services.

What is CVE-2023-26431?

The vulnerability arises from the failure to recognize IPv4-mapped IPv6 addresses as "local" by the code, leading to connection attempts that could compromise security measures.

The Impact of CVE-2023-26431

This vulnerability could potentially enable attackers to circumvent existing security controls, compromising the confidentiality and integrity of data. However, as of now, no publicly available exploits have been reported.

Technical Details of CVE-2023-26431

The vulnerability is categorized under CWE-918 Server-Side Request Forgery (SSRF), indicating the potential for resource consumption and command injection by malicious actors.

Vulnerability Description

The vulnerability allows attackers to exploit IPv4-mapped IPv6 addresses, bypassing deny-list functionality and accessing restricted network infrastructure.

Affected Systems and Versions

The impacted versions of OX App Suite include versions less than or equal to 7.10.6-rev39 and version 8.10.

Exploitation Mechanism

Attackers with user account access can use the vulnerability to trigger requests to restricted network infrastructure, potentially gaining unauthorized information.

Mitigation and Prevention

It is crucial to take immediate steps to address and mitigate the CVE-2023-26431 vulnerability to enhance the security of OX App Suite.

Immediate Steps to Take

Update OX App Suite to a non-vulnerable version.
Implement network controls and access restrictions to mitigate potential exploitation.
Regularly monitor and audit network traffic for suspicious activities.

Long-Term Security Practices

Regularly update and patch all software and applications to address security vulnerabilities promptly.
Conduct regular security assessments and penetration testing to identify and remediate potential weaknesses.
Educate users and administrators about security best practices to prevent successful attacks.

Patching and Updates

Stay informed about security advisories from OX Software GmbH and apply patches and updates as soon as they are available to protect the OX App Suite from known vulnerabilities.