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CVE-2024-0429: Exploit Details and Defense Strategies

Denial of service vulnerability in Hex Workshop version 6.7 allows attacker to trigger service shutdown via SEH manipulation.

This CVE-2024-0429 advisory was published by INCIBE on January 11, 2024, highlighting a buffer overflow vulnerability in Hex Workshop version 6.7. The vulnerability was discovered by Rafael Pedrero.

Understanding CVE-2024-0429

This CVE pertains to a denial of service vulnerability in Hex Workshop, impacting version 6.7. An attacker could exploit this vulnerability by sending command line file arguments to control the Structured Exception Handler (SEH) records, resulting in a service shutdown. The impact is categorized under CAPEC-10 - Buffer Overflow via Environment Variables.

What is CVE-2024-0429?

The CVE-2024-0429 vulnerability involves a denial of service exploit in Hex Workshop version 6.7, wherein an attacker can manipulate SEH records by sending command line file arguments, leading to a service shutdown.

The Impact of CVE-2024-0429

The impact of CVE-2024-0429 is categorized as a high severity vulnerability with the potential for confidentiality and integrity breaches. The attacker could execute a denial of service attack, affecting the availability of the service.

Technical Details of CVE-2024-0429

This vulnerability has a CVSS v3.1 base score of 7.3, with a low attack complexity and vector being local. The confidentiality, integrity, and availability impact are all rated as high. The attack requires low privileges and user interaction.

Vulnerability Description

The vulnerability in Hex Workshop version 6.7 stems from a buffer overflow issue related to improper restriction of operations within the bounds of a memory buffer (CWE-119).

Affected Systems and Versions

The impacted system is Hex Workshop version 6.7 with version 6.8.0.5419 from September 1, 2014, being a part of the affected versions.

Exploitation Mechanism

Exploiting this vulnerability involves sending specific command line file arguments to manipulate the SEH records and trigger a denial of service attack.

Mitigation and Prevention

To address CVE-2024-0429 and enhance overall security posture, immediate steps, best practices, and patching measures should be implemented.

Immediate Steps to Take

        Update Hex Workshop to the latest version or apply patches provided by the vendor.
        Monitor network traffic for any suspicious activity or attempts to exploit the vulnerability.

Long-Term Security Practices

        Regularly update software and systems to mitigate potential vulnerabilities.
        Conduct security assessments and penetration testing to identify and remediate weaknesses proactively.

Patching and Updates

Develop a robust patch management strategy to ensure timely deployment of security updates and patches to address known vulnerabilities like the one identified in Hex Workshop version 6.7.

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