CVE-2022-46346 Explained : Impact and Mitigation

A vulnerability has been identified in Parasolid and Solid Edge software versions, allowing an attacker to execute code in the context of the current process.

Understanding CVE-2022-46346

This vulnerability affects Parasolid versions V33.1, V34.0, V34.1, and V35.0, as well as Solid Edge SE2022 and SE2023.

What is CVE-2022-46346?

The vulnerability involves an out-of-bounds write past the end of an allocated structure when parsing specially crafted X_B files. This flaw could be exploited by an attacker to run malicious code within the current process.

The Impact of CVE-2022-46346

With a CVSS base score of 7.8, this vulnerability is rated as HIGH severity. Attackers could potentially compromise the affected systems and execute arbitrary code, leading to data breaches or system hijacking.

Technical Details of CVE-2022-46346

This section outlines the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability in Parasolid and Solid Edge software allows for an out-of-bounds write, enabling attackers to execute malicious code.

Affected Systems and Versions

Siemens Parasolid V33.1: All versions < V33.1.264
Siemens Parasolid V34.0: All versions < V34.0.252
Siemens Parasolid V34.1: All versions < V34.1.242
Siemens Parasolid V35.0: All versions < V35.0.170
Siemens Solid Edge SE2022: All versions < V222.0MP12
Siemens Solid Edge SE2022: All versions
Siemens Solid Edge SE2023: All versions < V223.0Update2

Exploitation Mechanism

The vulnerability arises from parsing specially crafted X_B files, leading to an out-of-bounds write beyond the allocated structure.

Mitigation and Prevention

To address CVE-2022-46346, immediate steps and long-term security practices should be implemented.

Immediate Steps to Take

Apply patches and updates provided by Siemens promptly.
Restrict access to potentially vulnerable systems.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update software to the latest versions to mitigate known vulnerabilities.
Conduct security training for employees to increase awareness of cyber threats.

Patching and Updates

Refer to Siemens' security advisories (SSA-588101 and SSA-491245) for detailed information on patches and updates.