CVE-2022-23460 : What You Need to Know

A detailed overview of CVE-2022-23460 focusing on the stack overflow vulnerability in Jsonxx.

Understanding CVE-2022-23460

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2022-23460.

What is CVE-2022-23460?

CVE-2022-23460 refers to a stack overflow vulnerability in Jsonxx, a JSON parser, writer, and reader written in C++. The issue occurs in the json parsing function of affected versions of Jsonxx, leading to stack exhaustion in address sanitized builds.

The Impact of CVE-2022-23460

The vulnerability poses a medium severity risk, with a CVSS base score of 5.9. Exploitation of this issue may result in a Denial of Service (DoS) condition if the program crashes while utilizing the jsonxx library.

Technical Details of CVE-2022-23460

This section delves into the specifics of the vulnerability, including the description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability stems from stack exhaustion during json parsing in an address sanitized build, present in all current commits of the Jsonxx project. It is important to note that the project has been archived, and no updates are expected.

Affected Systems and Versions

Jsonxx version 1.0.1 and below are impacted by this vulnerability. Users utilizing these versions may be at risk of a stack overflow leading to potential DoS scenarios.

Exploitation Mechanism

The vulnerability can be exploited by triggering the json parsing function in affected versions of Jsonxx, causing a stack exhaustion leading to a DoS condition.

Mitigation and Prevention

This section outlines the immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are advised to find a replacement for Jsonxx as the project has been archived, and no updates are expected. Transitioning to an alternative JSON parsing library is recommended to mitigate the risk of stack exhaustion vulnerabilities.

Long-Term Security Practices

Implementing secure coding practices, regular security assessments, and staying informed about vulnerabilities in third-party libraries are crucial for enhancing overall software security.

Patching and Updates

As no updates are expected for Jsonxx, it is essential for organizations to proactively monitor for security patches in alternative libraries and promptly apply them to maintain a secure development environment.