netVigilance Security Advisory #21 DGNews version 2.1 Path Disclosure Vulnerability Description: DGNews is small and simple but powered news publishing. Easy installation, no programing required. But you can still change whatever you want (for advanced users). Features: add unlimited categories, automatic news image thumbnailed, click count, user comment, print view and many others. Include full lay out, but sure, you can modify what you need. External References: Mitre CVE: CVE-2007-0692 NVD NIST: CVE-2007-0692 OSVDB: 34226 Summary: DGNews is small and simple but powered news publishing. A security problems in the product allows attackers to gather the true path of the server-side script Advisory URL: http://www.netvigilance.com/advisory0021 Release Date: 05/28/2007 Severity: Risk: Low CVSS Metrics: Access Vector: Remote Access Complexity: Low Authentication: Not-required Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None Impact Bias: Normal CVSS Base Score: 2.3 Target Distribution on Internet: Low Exploitability: Functional Exploit Remediation Level: Workaround Report Confidence: Uncorroborated Vulnerability Impact: Attack Host Impact: Path disclosure SecureScout Testcase ID: TC 17950 Vulnerable Systems: DGNews version 2.1 Vulnerability Type: Program flaws - The product scripts have flaws which lead to Warnings or even Fatal Errors. Vendor: Dian Gemilang Vendor Status: The Vendor has been notified several times on many different email addresses last on 14 May 2007. The Vendor has not responded. There is no official fix at the release of this Security Advisory. Workaround: To prevent path disclosure attacks following steps should be done: Disable warning messages: modify in the php.ini file following line: display_errors = Off. Or modify .htaccess file (this will work only for the apache servers). Example: REQUEST: http://[TARGET]/[PRODUCT-DIRECTORY]/news.php?go=fullnews&newsid[]=1 OR http://[TARGET]/[PRODUCT-DIRECTORY]/news.php?go=fullnews&newsid=` REPLY: <b>Your Comment</b><br><br /><b>Warning</b>: mysql_num_rows(): supplied argument is not a valid MySQL result resource in <b>[DISCLOSED PATH] [PRODUCT-DIRECTORY]news.php</b> on line <b>159</b><br />There's no comment for this news yet. You could the first.<br> Credits: Jesper Jurcenoks Co-founder netVigilance, Inc www.netvigilance.com ?? ?? ?? ??