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CVE-2023-0754 : Exploit Details and Defense Strategies

Learn about CVE-2023-0754, an integer overflow vulnerability impacting various products like Microsoft, Rockwell Automation, with a critical severity level. Take immediate steps for mitigation.

This CVE-2023-0754 report was published by ICS-CERT on February 23, 2023. The vulnerability was reported by Chris Anastasio and Steven Seeley of Incite Team to CISA.

Understanding CVE-2023-0754

CVE-2023-0754 involves an integer overflow or wraparound vulnerability in certain products, potentially leading to a server crash and remote code execution.

What is CVE-2023-0754?

The affected products are susceptible to an integer overflow or wraparound issue, allowing attackers to crash the server and execute malicious code remotely.

The Impact of CVE-2023-0754

With a CVSS v3.1 base score of 9.8 and a critical severity level, this vulnerability has a high impact on confidentiality, integrity, and availability. It poses a significant risk to affected systems.

Technical Details of CVE-2023-0754

This vulnerability affects multiple products from various vendors like PTC, Microsoft, Rockwell Automation, and General Electric, among others. The impacted versions range from ThingWorx Edge C-SDK to Digital Industrial Gateway Server.

Vulnerability Description

The vulnerability stems from an integer overflow or wraparound, allowing threat actors to crash servers and execute code remotely.

Affected Systems and Versions

Several products are affected, including ThingWorx Industrial Connectivity, .NET-SDK, Kepware KEPServerEX, ThingWorx Kepware Server, and more. Versions such as v2.2.12.1052, v5.4.10.0, v6.12, and earlier are vulnerable.

Exploitation Mechanism

The vulnerability can be exploited over the network with low attack complexity and no user interaction required, making it a critical security concern.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks associated with CVE-2023-0754.

Immediate Steps to Take

        Update the impacted products to the latest versions recommended by PTC.
        Disable ThingWorx Interface on Kepware products if not needed.

Long-Term Security Practices

Regularly update systems and software to mitigate potential vulnerabilities and enhance overall cybersecurity posture.

Patching and Updates

PTC has released resolutions for the affected products. Ensure you update to the specified versions to address the vulnerability and enhance system security.

By following the recommended steps and staying informed about security updates, organizations can effectively mitigate the risks associated with CVE-2023-0754.

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