Buffer Overflow Vulnerability in Nginx NJS Affected by Remote Code Execution Risks
CVE-2020-19692

9.8CRITICAL

Key Information:

Vendor

Nginx

Status
Njs
Vendor
CVE Published:
4 April 2023

What is CVE-2020-19692?

A buffer overflow vulnerability has been identified in Nginx's NJS module, specifically in version 0feca92. This flaw can be exploited by remote attackers to execute arbitrary code by triggering a failure in the njs_module_read function located within the njs_module.c file. As a result, system integrity and security may be compromised, allowing unauthorized access and potential system manipulation.

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References

https://github.com/nginx/njs/issues/187

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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