SimpNews version 2.41.03 Multiple XSS Attack Vulnerabilities

2007.09.27
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

netVigilance Security Advisory #70 SimpNews version 2.41.03 Multiple XSS Attack Vulnerabilities Description: SimpNews is a news system written in PHP. Features: Data stored in MySQL, admin interface, support for multiple languages, support for multiple instances in one database, own header, multiple layout settings, support for BBCode andsmilies, you can assin an icon graphic to every news entry, you can attach a file to news entries, entries can be put in categories, users can subscribe to get news sent by email, search entries, users can post comments on news entries, event calendar, newsticker, option to let users propose news entries. External References: Mitre CVE: CVE-2007-4874 NVD NIST: CVE-2007-4874 OSVDB: ID requested but no answer received BUGTRAQ/BID: Summary: SimpNews is a news system written in PHP. Security problem in the product allows attackers to conduct XSS attacks. Advisory URL: http://www.netvigilance.com/advisory0070 Release Date: 09/25/2007 CVSS Version 2 Metrics: Base Metrics: Exploitability Metrics: Access Vector: Network Access Complexity: Low Authentication: None Impact Metrics: Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial Temporal Metrics: Exploitability: Functional Remediation Level: Official Fix Report Confidence: Confirmed CVSS Version 2 Vectors: Base Vector: "AV:N/AC:L/Au:N/C:P/I:P/A:P" Temporal Vector: "E:F/RL:OF/RC:C" CVSS Version 2 Scores: Base Score: 7.5 Impact Subscore: 6.4 Exploitability Subscore: 10 Temporal Score: 6.2 SecureScout Testcase ID: TC 17989 Vulnerable Systems: SimpNews version 2.41.03 Vulnerability Type: XSS (Cross-Site Scripting) to force a web-site to display malicious contents to the target, by sending a specially crafted request to the web-site. The vulnerable web-site is not the target of attack but is used as a tool for the hacker in the attack of the victim. Vendor: Bosch IT-Consulting Vendor Status: The Vendor has confirmed the problem and has release new version 2.42.01 that addresses the problem. New version of product was tested and we can confirm that all vulnerabilities were solved. For more information see vendor announcement. To download the latest version go to vendors product download area. Workaround: Example: XSS Attack Vulnerability 1: REQUEST: http://[TARGET]/[PRODUCT DIRECTORY]/admin/layout2b.php?no_rgcheck=true&lang=1&do_login=1&l_userna me=</td><script>alert(document.cookies)</script><td> REPLY: Will execute <script>alert(document.cookie)</script> XSS Attack Vulnerability 2: REQUEST: http://[TARGET]/[PRODUCT DIRECTORY]/comment.php?lang=en&mode=new&entryref=&backurl="><script>aler t(document.cookies)</script> REPLY: Will execute =<script>alert(document.cookie)</script> Credits: Jesper Jurcenoks Co-founder netVigilance, Inc www.netvigilance.com ?? ?? ?? ??


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