QID 150401

Date Published: 2021-12-02

QID 150401: Apache HTTP Server Out of bounds read - DoS (CVE-2021-36160)

The Apache HTTP Server, colloquially called Apache, is a free and open-source cross-platform web server software.

On affected versions of Apache HTTP Server a out of bounds read vulnerability exists in "mod_proxy_uwsgi" which reads above its allocated memory and allows a remote attacker to perform a denial of service (DoS) attack.

Affected Versions:
Apache HTTP Server versions from 2.4.30 to 2.4.48.

QID Detection Logic:(Unauthenticated)
This QID sends a HTTP GET request and checks the response headers to confirm if the host is running vulnerable version of Apache HTTP Server.

Successful exploitation of this vulnerability would allow a remote attacker to perform a denial of service (DoS) attack by sending specially crafted requests and crash the target server.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    Customers are advised to upgrade to the latest version of Apache HTTP Server to remediate this vulnerability. For more information related to this vulnerability please refer to Apache's Security advisory
    Vendor References

    CVEs related to QID 150401

    CVE-2021-36160 |
    Software Advisories
    Advisory ID Software Component Link
    Apache HTTP Server URL Logo httpd.apache.org/download.cgi
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