CVE-2022-38459 : Exploit Details and Defense Strategies

A stack-based buffer overflow vulnerability exists in the httpd downfile.cgi functionality of Siretta QUARTZ-GOLD G5.0.1.5-210720-141020. This vulnerability could allow remote code execution through a specially-crafted HTTP request.

Understanding CVE-2022-38459

What is CVE-2022-38459?

This CVE refers to a stack-based buffer overflow vulnerability in Siretta QUARTZ-GOLD G5.0.1.5-210720-141020. If exploited, an attacker could achieve remote code execution by sending a malicious HTTP request.

The Impact of CVE-2022-38459

The vulnerability poses a high severity risk, with a CVSS base score of 7.2. Exploitation could result in high impacts on confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2022-38459

Vulnerability Description

The vulnerability arises due to a lack of proper input validation in the httpd downfile.cgi functionality, leading to a buffer overflow condition that can be exploited by an attacker.

Affected Systems and Versions

Siretta QUARTZ-GOLD G5.0.1.5-210720-141020 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

An attacker can send a specially-crafted HTTP request to the httpd downfile.cgi functionality to trigger the buffer overflow, potentially allowing remote code execution.

Mitigation and Prevention

Immediate Steps to Take

It is recommended to update the affected Siretta QUARTZ-GOLD devices to a non-vulnerable version or apply patches provided by the vendor. Additionally, network-level protections and access controls should be implemented to minimize the risk of exploitation.

Long-Term Security Practices

Regular security assessments, code reviews, and input validation mechanisms should be part of the development lifecycle to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security advisories from Siretta and promptly apply patches or updates to address known vulnerabilities.