QID 730358

Date Published: 2022-02-17

QID 730358: Nginx Denial of Service (DoS) Vulnerability

nginx [engine x] is an HTTP and reverse proxy server, a mail proxy server, and a generic TCP/UDP proxy server.

CVE-2018-16845: Vulnerability in the ngx_http_mp4_module, which might allow an attacker to cause infinite loop in a worker process, cause a worker process crash, or might result in worker process memory disclosure by using a specially crafted mp4 file.

Affected Versions:
NGINX version from 1.0.7 to 1.0.15
NGINX version from 1.1.3 to 1.15.5
QID Detection Logic (Unauthenticated):
The unauthenticated check tries to fetch the version from the version exposed in the Server: tag of a HTTP response.

Successful exploitation of these vulnerability may allow unauthenticated remote attackers to cause unavailability of the service.

  • CVSS V3 rated as High - 6.1 severity.
  • CVSS V2 rated as Medium - 5.8 severity.
    • Solution
    Customers are advised to install nginx 1.15.6 or later to remediate this vulnerability.
    Vendor References

    CVEs related to QID 730358

    CVE-2018-16845 |
    Software Advisories
    Advisory ID Software Component Link
    Nginx release notes URL Logo nginx.org/en/CHANGES
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