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CVE-2021-44975 : What You Need to Know

Discover the impact of CVE-2021-44975, a Buffer Overflow vulnerability in radare2 5.5.2 via mach-o parser in /libr/core/anal_objc.c. Learn how to mitigate and prevent exploitation.

radareorg radare2 5.5.2 is vulnerable to Buffer Overflow via /libr/core/anal_objc.c mach-o parser.

Understanding CVE-2021-44975

What is CVE-2021-44975?

CVE-2021-44975 identifies a vulnerability in radareorg radare2 version 5.5.2, where a Buffer Overflow can occur via the mach-o parser in /libr/core/anal_objc.c.

The Impact of CVE-2021-44975

This vulnerability allows attackers to potentially execute malicious code or crash the application, posing a security risk to the system.

Technical Details of CVE-2021-44975

Vulnerability Description

The vulnerability in radare2 5.5.2 exposes the application to a Buffer Overflow due to improper handling of input via the mach-o parser in /libr/core/anal_objc.c.

Affected Systems and Versions

        Affected Version: 5.5.2

Exploitation Mechanism

        Attackers can exploit this vulnerability by crafting input data that triggers the Buffer Overflow, leading to unauthorized access or denial of service attacks.

Mitigation and Prevention

Immediate Steps to Take

        Update to a patched version of radare2 to mitigate the vulnerability.
        Limit the processing of untrusted input to reduce the risk of exploitation.

Long-Term Security Practices

        Conduct regular security audits and code reviews to identify and address potential vulnerabilities.
        Implement secure coding practices to prevent Buffer Overflows and other common security issues.

Patching and Updates

        Keep software and libraries up to date with the latest security patches to minimize the risk of known vulnerabilities.

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