Apache HTTP Server mod_alias script source information disclosure

apache-modalias-information-disclosure (28357) The risk level is classified as LowLow Risk

Description:

Apache HTTP Server could allow a remote attacker to obtain sensitive information caused by a vulnerability in the mod_alias module. A remote attacker could send a URL request for a known script using an upper-case directory name which, when sent to a case-insensitive operating system, would cause the script's source code to be returned.

Platforms Affected:

  • Apache, HTTP Server 2.0.58
  • Apache, HTTP Server 2.2.2
  • Apache, HTTP Server 2.2.3

Remedy:

No remedy available as of July 4, 2009.

Consequences:

Obtain Information

References:

  • Apache Web site, Welcome! - The Apache HTTP Server Project at http://httpd.apache.org/.
  • BugTraq Mailing List, Wed Aug 09 2006 - 05:15:42 CDT , CGI Script Source Code Disclosure Vulnerability in Apache for Windows at http://archives.neohapsis.com/archives/bugtraq/2006-08/0206.html.
  • BID-19447: Apache CGI Script Source Code Information Disclosure Vulnerability
  • CVE-2006-4110: Apache 2.2.2, when running on Windows, allows remote attackers to read source code of CGI programs via a request that contains uppercase (or alternate case) characters that bypass the case-sensitive ScriptAlias directive, but allow access to the file on case-insensitive file systems.
  • OSVDB ID: 27913: Apache HTTP Server on Windows mod_alias URL Validation Canonicalization CGI Source Disclosure
  • SA21490: Apache "mod_alias" URL Validation Canonicalization Vulnerability
  • VUPEN/ADV-2006-3265: Apache mod_alias Alias Directive Arguments and URL Handling Vulnerability

Reported:

Aug 09, 2006

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