CVE-2023-49355 : What You Need to Know

A detailed overview of the CVE-2023-49355 vulnerability in jq 88f01a7 that leads to an out-of-bounds write, affecting decToString in decNumber/decNumber.c.

Understanding CVE-2023-49355

This section covers the impact, technical details, and mitigation strategies for CVE-2023-49355.

What is CVE-2023-49355?

The vulnerability in jq 88f01a7 allows for a one-byte out-of-bounds write via specific input, distinct from CVE-2023-50246.

The Impact of CVE-2023-49355

CVE-2023-49355 poses a security risk due to the out-of-bounds write in decToString in decNumber/decNumber.c.

Technical Details of CVE-2023-49355

Explore the vulnerability description, affected systems, and exploitation mechanism of CVE-2023-49355.

Vulnerability Description

The flaw in jq 88f01a7 triggers an out-of-bounds write when processing certain input patterns.

Affected Systems and Versions

The vulnerability impacts jq 88f01a7, affecting the decToString function in decNumber/decNumber.c.

Exploitation Mechanism

By providing specific input like "[]-1.2e-1111111111", threat actors can exploit the vulnerability to trigger the out-of-bounds write.

Mitigation and Prevention

Learn about immediate steps to secure systems and long-term security practices to mitigate vulnerabilities.

Immediate Steps to Take

Developers should apply patches promptly and review input validation to prevent exploitation of CVE-2023-49355.

Long-Term Security Practices

Implement secure coding practices, perform regular security audits, and stay updated on security best practices.

Patching and Updates

Keep software up-to-date with the latest patches and security updates to address known vulnerabilities.