CVE-2020-24348 : Security Advisory and Response

njs through 0.4.3, used in NGINX, has an out-of-bounds read vulnerability in njs_json_stringify_iterator in njs_json.c.

Understanding CVE-2020-24348

This CVE involves a specific vulnerability in the njs library used in NGINX, potentially leading to security issues.

What is CVE-2020-24348?

CVE-2020-24348 is an out-of-bounds read vulnerability in njs through version 0.4.3, which is utilized in NGINX. The issue specifically occurs in the njs_json_stringify_iterator function within njs_json.c.

The Impact of CVE-2020-24348

This vulnerability could be exploited by attackers to read sensitive information from the memory, potentially leading to unauthorized access or other security breaches.

Technical Details of CVE-2020-24348

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability in njs through 0.4.3 allows for an out-of-bounds read in the njs_json_stringify_iterator function in njs_json.c, which could be exploited by malicious actors.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions: n/a

Exploitation Mechanism

The vulnerability can be exploited by crafting specific requests to trigger the out-of-bounds read in the njs library, potentially leading to a security compromise.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Monitor for security advisories and updates related to NGINX and the njs library.
Apply patches or updates provided by the respective vendors to mitigate the vulnerability.

Long-Term Security Practices

Regularly update and patch software components to address known vulnerabilities.
Implement network security measures to detect and prevent unauthorized access attempts.

Patching and Updates

Ensure that you stay informed about security updates and patches released by NGINX and the njs library to address the CVE-2020-24348 vulnerability.