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CVE-2023-3953 : Security Advisory and Response

Learn about CVE-2023-3953, a CWE-119 vulnerability in Schneider Electric's GP-Pro EX software. Mitigation steps and impact assessment included.

This CVE-2023-3953 article provides insights into a specific vulnerability identified within GP-Pro EX software developed by Schneider Electric.

Understanding CVE-2023-3953

This section delves into the details related to the CVE-2023-3953 vulnerability found in Schneider Electric's GP-Pro EX software.

What is CVE-2023-3953?

CVE-2023-3953 is classified as a CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability. This flaw could potentially lead to memory corruption when an authenticated user interacts with a modified log file from GP-Pro EX software.

The Impact of CVE-2023-3953

The impact of CVE-2023-3953 is considered to be of medium severity, with a CVSS base score of 5.3. This vulnerability could result in low confidentiality, integrity, and availability impacts, requiring user interaction for exploitation and no escalated privileges.

Technical Details of CVE-2023-3953

In this section, the technical aspects of CVE-2023-3953, including the vulnerability description, affected systems, and exploitation mechanism, are discussed.

Vulnerability Description

The vulnerability arises due to an improper restriction of operations within the memory buffer, leading to the potential for memory corruption upon opening a tampered log file within GP-Pro EX software.

Affected Systems and Versions

The affected products include GP-Pro EX WinGP for iPC and GP-Pro EX WinGP for PC/AT from Schneider Electric. Specifically, versions prior to v4.09.450 are vulnerable to CVE-2023-3953.

Exploitation Mechanism

To exploit this vulnerability, an authenticated user needs to open a manipulated log file within the GP-Pro EX software environment, triggering potential memory corruption issues.

Mitigation and Prevention

This section outlines the necessary steps to mitigate the CVE-2023-3953 vulnerability and prevent potential cybersecurity risks associated with the GP-Pro EX software.

Immediate Steps to Take

Users are advised to update their GP-Pro EX software to version v4.09.450 or later to eliminate the vulnerability. Additionally, caution should be exercised while opening log files from untrusted sources to mitigate risks.

Long-Term Security Practices

Implementing secure coding practices, regularly updating software, and conducting security assessments can help enhance the overall cybersecurity posture and prevent similar vulnerabilities in the future.

Patching and Updates

Schneider Electric has released patches to address the CVE-2023-3953 vulnerability. Users are encouraged to apply the latest updates provided by the vendor to ensure system security and integrity.

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