QID 150462

Date Published: 2022-02-02

QID 150462: Apache HTTP Server Buffer Overflow Vulnerability (CVE-2021-44790)

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 carefully crafted request body can cause a Buffer Overflow in the "mod_lua" multipart parser called via the r:parsebody() function in Lua scripts.

Affected Versions:
Apache HTTP Server 2.4.51 and earlier

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

Successful exploitation of this vulnerability could allow a remote attacker to trigger Buffer Overflow and execute arbitrary code on the target system.

  • CVSS V3 rated as Critical - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Customers are advised to upgrade to Apache HTTP Server 2.4.52 or later version to remediate this vulnerability. For more information related to this vulnerability please refer Apache Security advisory
    Vendor References

    CVEs related to QID 150462

    CVE-2021-44790 |
    Software Advisories
    Advisory ID Software Component Link
    Apache HTTP Server Security Advisory URL Logo httpd.apache.org/security/vulnerabilities_24.html
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