CVE-2023-1709 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2023-1709, including its description, impact, technical details, and mitigation strategies.

Understanding CVE-2023-1709

CVE-2023-1709 is a vulnerability that affects multiple products such as JT2Go, Teamcenter Visualization, and Library APDFL. The vulnerability was reported by Michael Heinzl to Siemens.

What is CVE-2023-1709?

The vulnerability in Datalogics Library APDFL (v18.0.4PlusP1e and prior) is a stack-based buffer overflow caused by corrupted fonts in documents. This flaw could lead to an unhandled crash during the rendering process.

The Impact of CVE-2023-1709

The CVSSv3.1 base score for the vulnerability is 7.8, indicating a high severity level. It could result in high impacts on confidentiality, integrity, and availability, with low attack complexity and local attack vector.

Technical Details of CVE-2023-1709

The vulnerability is classified as CWE-121: Stack-based Buffer Overflow. It primarily affects versions of JT2Go, Teamcenter Visualization, and Library APDFL.

Vulnerability Description

The stack-based buffer overflow in Datalogics Library APDFL arises from documents with corrupted fonts, leading to potential crashes during rendering.

Affected Systems and Versions

JT2Go less than 14.2.0.2
Teamcenter Visualization versions 13.2 to 14.2
Library APDFL up to v18.0.4PlusP1e

Exploitation Mechanism

The vulnerability can be exploited by leveraging documents with maliciously crafted fonts to trigger the buffer overflow.

Mitigation and Prevention

To address CVE-2023-1709, immediate steps, long-term security practices, and patching procedures are crucial.

Immediate Steps to Take

Avoid opening untrusted files in JT2Go and Teamcenter Visualization to reduce the risk of exploitation.

Long-Term Security Practices

Implement network access protections and configure devices according to Siemens' operational guidelines for industrial security.

Patching and Updates

Siemens has released updates for affected products:

Update JT2Go to V14.2.0.2 or later
Update Teamcenter Visualization versions to the recommended patched versions provided by Siemens.

Datalogics recommends users to update to APDFL v18.0.4PlusP1g. Contact Datalogics for further information on obtaining the necessary updates.

By following these mitigation and prevention measures, users can enhance the security posture of their systems and reduce the risk associated with CVE-2023-1709.