CGIScript.net csNews Advanced Settings and administrative access

cgiscript-csnews-admin-access (9333) The risk level is classified as HighHigh Risk

Description:

csNews fails to properly handle double URL encoded characters. A remote attacker could exploit this vulnerability by sending a specially-crafted URL request containing double URL encoded characters to access the "Advanced Settings" page, which is normally only accessible by administrators.

Once the attacker gains access to the "Advanced Settings" page, modified values could be set using the header and footer form fields, which could allow the attacker to view arbitrary system files or execute arbitrary system commands.


Consequences:

Gain Access

Remedy:

No remedy available as of April 1, 2014.

References:

  • BugTraq Mailing List, Tue Jun 11 2002 - 16:00:51 CDT: CGIscript.net - csNews.cgi - Multiple Vulnerabilities.
  • CGIScript.net Web site: CGI Script.net - Webmaster Resource Site - Free and Professional CGI Scripts and JavaScripts.
  • BID-4991: CGIScript.net CSNews Sensitive File Disclosure Vulnerability
  • BID-4993: CGIScript.net csNews Double URL Encoding Unauthorized Administrative Access Vulnerability
  • BID-4994: CGIScript.net csNews Header File Type Restriction Bypass Vulnerability
  • CVE-2002-0922: CGIScript.net csNews.cgi allows remote attackers to obtain database files via a direct URL-encoded request to (1) default%2edb or (2) default%2edb.style, or remote authenticated users to perform administrative actions via (3) a database parameter set to default%2edb.
  • CVE-2002-0923: CGIScript.net csNews.cgi allows remote authenticated users to read arbitrary files, and possibly gain privileges, via the (1) pheader or (2) pfooter parameters in the Advanced Settings capability.
  • OSVDB ID: 8134: CGIScript.net csNews.cgi Advanced Settings Multiple Parameter Arbitrary File Retrieval

Platforms Affected:

  • CGIScript csNews
  • CGIScript csNewsPro

Reported:

Jun 11, 2002

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