CVE-2022-2069 : Exploit Details and Defense Strategies

A detailed overview of the Datalogics APDFL library Heap-based Buffer Overflow vulnerability.

Understanding CVE-2022-2069

This section delves into the impact and technical details of CVE-2022-2069.

What is CVE-2022-2069?

The APDFL.dll in Siemens JT2Go prior to V13.3.0.5 and Siemens Teamcenter Visualization prior to V14.0.0.2 contains an out-of-bounds write past the fixed-length heap-based buffer while parsing specially crafted PDF files, potentially allowing an attacker to execute malicious code in the context of the current process.

The Impact of CVE-2022-2069

The vulnerability carries a CVSS base score of 7.8, indicating a high severity level. Attackers could exploit this vulnerability to achieve local code execution with elevated privileges, leading to significant confidentiality, integrity, and availability impacts.

Technical Details of CVE-2022-2069

Here we explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism associated with CVE-2022-2069.

Vulnerability Description

CVE-2022-2069 is classified as CWE-122 - Heap-based Buffer Overflow, allowing attackers to overwrite boundaries of a fixed-length buffer in the APDFL.dll library.

Affected Systems and Versions

Siemens JT2Go: Versions less than V13.3.0.5
Siemens Teamcenter Visualization V13.3: Versions less than V13.3.0.5
Siemens Teamcenter Visualization V14.0: Versions less than V14.0.0.2

Exploitation Mechanism

The vulnerability arises while parsing specially crafted PDF files, enabling attackers to trigger the heap-based buffer overflow and potentially execute arbitrary code.

Mitigation and Prevention

In this section, we focus on the immediate steps to take, long-term security practices, and patching solutions to mitigate the risks associated with CVE-2022-2069.

Immediate Steps to Take

Avoid opening untrusted files in JT2Go and Teamcenter Visualization.
Implement appropriate network access protections recommended by Siemens.

Long-Term Security Practices

Follow Siemens' industrial security guidelines and configure the IT environment as per Siemens' recommendations.

Patching and Updates

Siemens recommends updating affected systems to the following versions:

Teamcenter Visualization V13.3: Upgrade to version 13.3.0.5 or later.
Teamcenter Visualization V14.0: Currently no fix available.
JT2Go V13.3.0.5: Update to version 13.3.0.5 or later. For detailed information, refer to Siemens Security Advisory SSA-829738.