Learn about CVE-2022-1427, an Out-of-bounds Read vulnerability in mruby/mruby prior to 3.2, allowing arbitrary code execution. Find out the impact, affected systems, and mitigation steps.
A detailed analysis of the CVE-2022-1427 vulnerability in mruby/mruby affecting versions prior to 3.2.
Understanding CVE-2022-1427
This CVE involves an Out-of-bounds Read vulnerability in mrb_obj_is_kind_of within the GitHub repository mruby/mruby prior to version 3.2. The impact includes the possibility of arbitrary code execution when exploited.
What is CVE-2022-1427?
The CVE-2022-1427 vulnerability refers to an Out-of-bounds Read issue in mrb_obj_is_kind_of in the mruby/mruby GitHub repository before version 3.2. This vulnerability can result in potential arbitrary code execution if successfully exploited.
The Impact of CVE-2022-1427
The impact of CVE-2022-1427 is high, with a CVSS base score of 7.7. It carries a high severity rating due to the potential for arbitrary code execution. The integrity impact is high, availability impact is high, and confidentiality impact is none. The attack complexity is low, and it requires no special privileges for exploitation.
Technical Details of CVE-2022-1427
This section delves into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability involves an Out-of-bounds Read issue in mrb_obj_is_kind_of, posing a risk of arbitrary code execution.
Affected Systems and Versions
mruby/mruby versions prior to 3.2 are affected by this vulnerability.
Exploitation Mechanism
Exploiting this vulnerability could lead to arbitrary code execution in the impacted systems.
Mitigation and Prevention
To address CVE-2022-1427, immediate steps need to be taken, alongside long-term security practices and the importance of timely patching and updates.
Immediate Steps to Take
Immediately update mruby/mruby to version 3.2 or above to mitigate the risk of exploitation.
Long-Term Security Practices
Incorporate secure coding practices, regular security audits, and ongoing monitoring to enhance overall system security.
Patching and Updates
Regularly apply security patches and updates provided by mruby to prevent exploitation of known vulnerabilities.