Apache HTTPD Unsafe URL with %3f (CVE-2024-38474)

Solution Verified - Updated -

Issue

  • Getting Forbidden error for URL after OS patching.

    [Sun Aug 18 08:09:03.832147 2024] [rewrite:error] [pid 999999:tid 999999999999999] [client 999.999.999.999:99999] AH: Unsafe URL with %3f URL rewritten without UnsafeAllow3F, referer: https://hostname/path/cgi-bin/script.cgi

Environment

  • Red Hat Enterprise Linux (RHEL)
  • Apache Web Server (HTTPD)
    • JBoss Core Services (JBCS) httpd 2.4.57 SP5+

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