CVE-2022-0849 : Exploit Details and Defense Strategies

A detailed overview of the vulnerability 'Use After Free in r_reg_get_name_idx in radareorg/radare2' with CVE ID 2022-0849.

Understanding CVE-2022-0849

This section provides insights into the nature and impact of CVE-2022-0849.

What is CVE-2022-0849?

The CVE-2022-0849 vulnerability involves a Use After Free issue in r_reg_get_name_idx within the GitHub repository of radareorg/radare2 prior to version 5.6.6.

The Impact of CVE-2022-0849

The vulnerability has a base severity of HIGH with a CVSS base score of 7.3. It poses a risk of integrity impact and high availability impact.

Technical Details of CVE-2022-0849

This section explores the technical aspects of the CVE-2022-0849 vulnerability.

Vulnerability Description

The vulnerability manifests as a Use After Free flaw, specifically in r_reg_get_name_idx in the radareorg/radare2 repository.

Affected Systems and Versions

The vulnerability affects products from radareorg, specifically versions prior to 5.6.6, with an unspecified custom version.

Exploitation Mechanism

With low attack complexity and a requirement of user interaction, local attackers can exploit this vulnerability to impact system integrity.

Mitigation and Prevention

In this section, we discuss actionable steps to mitigate and prevent exploitation of CVE-2022-0849.

Immediate Steps to Take

Users are advised to update radareorg/radare2 to version 5.6.6 or above to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing secure coding practices and regular security assessments can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly applying security patches and staying informed about security updates for all software components is crucial in maintaining a secure environment.