CVE-2023-35373 : Security Advisory and Response

This article provides insights into the Mono Authenticode Validation Spoofing Vulnerability (CVE-2023-35373) affecting Microsoft's Mono 6.12.0.

Understanding CVE-2023-35373

This section delves into the details of CVE-2023-35373, its impact, technical description, affected systems, exploitation mechanism, mitigation steps, and preventive measures.

What is CVE-2023-35373?

The CVE-2023-35373 is a Mono Authenticode Validation Spoofing Vulnerability that allows an attacker to bypass Authenticode signature validation on files. It impacts Microsoft's Mono version 6.12.0, specifically versions less than 6.12.0.200.

The Impact of CVE-2023-35373

This vulnerability has a base severity of MEDIUM with a CVSS base score of 5.3. Attackers can exploit this vulnerability to spoof Authenticode signatures, leading to unauthorized execution of malicious code.

Technical Details of CVE-2023-35373

Let's explore the technical aspects of CVE-2023-35373.

Vulnerability Description

The vulnerability allows threat actors to spoof Authenticode signatures, bypassing validation checks.

Affected Systems and Versions

Vendor: Microsoft
Product: Mono 6.12.0
Affected Version: 6.12.0 (versions less than 6.12.0.200)
Platforms: Unknown

Exploitation Mechanism

Attackers can exploit this vulnerability to deceive users into executing unsigned or tampered files, leading to potential harm.

Mitigation and Prevention

Discover how to address the CVE-2023-35373 vulnerability to enhance your system's security.

Immediate Steps to Take

Users are advised to update Mono to version 6.12.0.200 or later to mitigate the risk of exploitation.

Long-Term Security Practices

Enforce best security practices such as code signing validation and file integrity checks to prevent similar attacks.

Patching and Updates

Stay vigilant for security updates from Microsoft to address vulnerabilities and enhance system security measures.