CVE-2022-3379 : Exploit Details and Defense Strategies

Horner Automation's Cscape version 9.90 SP7 and prior are affected by a vulnerability that allows attackers to execute arbitrary code by writing outside the memory buffer when a malicious FNT file is opened

Understanding CVE-2022-3379

This CVE refers to a security vulnerability in Horner Automation's Cscape software that could lead to arbitrary code execution.

What is CVE-2022-3379?

CVE-2022-3379 affects Cscape version 9.90 SP7 and earlier versions by allowing attackers to execute arbitrary code within the current process through improper validation of user-supplied data, specifically when opening maliciously crafted FNT files.

The Impact of CVE-2022-3379

The impact of this vulnerability is rated as HIGH, with a CVSSv3.1 base score of 7.8. It has a high severity level due to its potential for confidentiality, integrity, and availability impact.

Technical Details of CVE-2022-3379

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

Horner Automation's Cscape version 9.90 SP7 and prior versions do not properly validate user-supplied data. This oversight allows an attacker to exploit the vulnerability by executing arbitrary code within the current process by writing outside the memory buffer.

Affected Systems and Versions

The impacted system includes Cscape version 9.90 SP7 and earlier versions.

Exploitation Mechanism

The vulnerability can be exploited when a user opens a maliciously formed FNT file, enabling the attacker to write outside the memory buffer and execute arbitrary code within the current process.

Mitigation and Prevention

Protecting systems from CVE-2022-3379 requires immediate action and ongoing security practices.

Immediate Steps to Take

Users are advised to update to a patched version of Cscape beyond 9.90 SP7 to mitigate the vulnerability. Avoid opening untrusted FNT files from unknown sources to prevent exploitation.

Long-Term Security Practices

Implement secure coding practices, conduct regular security assessments, and stay informed about software updates and security advisories to enhance overall cybersecurity posture.

Patching and Updates

Stay current with security patches and updates released by Horner Automation for Cscape to address known vulnerabilities and protect systems from potential exploits.