CVE-2021-44974 : Exploit Details and Defense Strategies

CVE-2021-44974 relates to a vulnerability in radareorg radare2 version 5.5.2 that allows for a NULL Pointer Dereference via a specific binary symbol parser.

Understanding CVE-2021-44974

This section delves into the critical aspects of the CVE-2021-44974 vulnerability.

What is CVE-2021-44974?

CVE-2021-44974 is a vulnerability in radareorg radare2 version 5.5.2 that enables a NULL Pointer Dereference through the libr/bin/p/bin_symbols.c binary symbol parser.

The Impact of CVE-2021-44974

The vulnerability in CVE-2021-44974 could potentially lead to a denial of service (DoS) situation due to the NULL Pointer Dereference.

Technical Details of CVE-2021-44974

Explore the technical specifics of CVE-2021-44974.

Vulnerability Description

The vulnerability in radareorg radare2 version 5.5.2 arises from a NULL Pointer Dereference via the libr/bin/p/bin_symbols.c binary symbol parser.

Affected Systems and Versions

Affected Systems: Not applicable
Affected Versions: Version 5.5.2

Exploitation Mechanism

The vulnerability can be exploited by crafting a specially designed binary symbol that triggers the NULL Pointer Dereference.

Mitigation and Prevention

Learn how to mitigate the CVE-2021-44974 vulnerability.

Immediate Steps to Take

Users are advised to update radareorg radare2 to a patched version.
Implement proper input validation to prevent malicious binary symbols.

Long-Term Security Practices

Regularly monitor and apply security patches for all software components.
Conduct security assessments to identify and address vulnerabilities proactively.
Train developers on secure coding practices to reduce the likelihood of similar issues.

Patching and Updates

Ensure timely installation of security updates and patches to address vulnerabilities effectively.