Title: ====== SonicWALL CDP 5040 v6.x - Multiple Web Vulnerabilities
Date: ===== 2012-11-19 References: =========== http://www.vulnerability-lab.com/get_content.php?id=549 VL-ID: ===== 549 Common Vulnerability Scoring System: ==================================== 3.5 Introduction: ============= Tapeless Enterprise-Level Data Backup and Protection, Without the Price Tag. Automatic, real-time data backup for servers, laptops and PCs. Features include file versioning, fast data recovery, and automatic offsite backup capabilities to protect businesses against disasters. SonicWALL® Continuous Data Protection (CDP) v6 is a next- generation data backup and disaster recovery solution that automatically preserves and protects business-relevant data assets against loss from file, device, and location based disasters. With support for Windows®, Linux® and Mac OS® through a single Web GUI, CDP provides granular, globally enforced policy controls over the entire backup operation. Unmatched flexibility enables IT administrators to dictate what information to backup, what to exclude and how the information should be maintained to adhere to recovery and compliance requirements. A sophisticated new fileset backup methodology combined with agent-based data de-duplication moves and stores only unique data blocks. This speeds the backup process and optimizes bandwidth usage while maintaining total information continuity and the ability to flexibly restore multiple revisions. SonicWALL Continuous Data Protection v6 offers the comprehensive data protection organizations demand and the power administrators need for vigilant data backup and disaster recovery. (Copy of the Vendor Homepage: http://sonicwall.com/emea/backup_and_recovery.html) Abstract: ========= Vulnerability Lab Research Team discovered multiple Vulnerabilities in SonicWalls Continuous Data Protection v6.x 5040 appliance application. Report-Timeline: ================ 2012-05-04: Researcher Notification & Coordination 2012-05-08: Vendor Notification 1 2012-08-10: Vendor Notification 2 2012-08-16: Vendor Response/Feedback 2012-11-01: Vendor Fix/Patch by Check 2012-11-19: Public Disclosure Status: ======== Published Affected Products: ================== SonicWall Product: Continues Data Protection GUI v5040 6.0.x Exploitation-Technique: ======================= Remote Severity: ========= Medium Details: ======== Multiple persistent input validation vulnerabilities are detected in SonicWalls Continuous Data Protection v6.x 5040 appliance application. The vulnerability allows an remote attacker or local low privileged user account to inject/implement malicious persistent script code on application side of the appliance application. The vulnerabilities are located in the network, accounts management and system settings modules with the bound vulnerable label delAppl (name, username & servername) parameters. An attackers can inject script code as name, username or servername via add function to manipulate the vulnerable module with malicious persistent web context. The persistent script code will be executed when the victim is processing to watch the vulnerable module listing (output|index). Successful exploitation of the vulnerability result in session hijacking (customer/manager/admin) or stable (persistent) module context manipulation. Exploitation requires low user inter action and a low privileged web application user account. Vulnerable Module(s): [+] Network > Settings [Name] [+] BMR > Accounts [Username] [+] System > Settings [Server] Vulnerable Parameter(s): [+] label delAppl - Name [+] label delAppl - Username [+] label delAppl - Servername Proof of Concept: ================= The persistent input validation vulnerabilities can be exploited by remote attackers with local low privileged user accounts and low required user interaction. For demonstration or reproduce ... Review: Network > Settings > ADD > [Name] - label delAppl - Name <label for="delAppl_0">>"[PERSISTENT SCRIPT CODE!]"></label></span></td><td class="tableLineContrast" name="ip"><span><label for="delAppl_0" >192.168.150.216</label></span></td><td class="tableLineContrast" name="netmask"><span><label for="delAppl_0" >255.255.255.0</label></span></td><td class="tableLineContrast" >name="gateway"><span><label for="delAppl_0" >192.168.150.1</label></span></td><td class="tableLineContrast" nowrap=""><a class="swlEventEdit" href="#" title="Edit Entry"><img class="actionIcon" width="20" height="20" border="0" alt="Edit this entry" src="images/edit.gif"/></a></td><td> <input type="hidden" name="itemId" value="undefined"></input></td></tr></tbody></table></iframe></label> Review: BMR > Accounts [Username] - label delAppl - Username <label for="delAppl_0">>"[PERSISTENT SCRIPT CODE!]"></label></span></td><td class="tableLineContrast" ><span><label for="delAppl_0" >100000</label></span></td><td >class="tableLineContrast" nowrap=""><a class="swlEventEdit" href="#" title="Edit Entry"><img class="actionIcon" width="20" height="20" border="0" alt="Edit this entry" src="images/edit.gif"/></a><a class="swlEventDelete" href="#" title="Delete Entry"><img class="actionIcon" width="20" height="20" border="0" alt="Delete this entry" src="images/trash.gif"/></a></td></tr></tbody></table></iframe></label> Review: System > Settings [Server] - label delAppl - Servername <label for="delAppl_3">>"[PERSISTENT SCRIPT CODE!]"></label></span></td><td class="tableLineContrast" nowrap=""><a class="swlEventDelete" href="#" title="Delete NTP Server"><img class="actionIcon" width="20" height="20" border="0" alt="Delete this entry" src="images/trash.gif"/></a></td><td> <input type="hidden" name="itemId" value="undefined"></input></td></tr></tbody></table></iframe></label> Risk: ===== The security risk of the persistent input validation vulnerabilities are estimated as medium(+). Credits: ======== Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (b...@vulnerability-lab.com) Disclaimer: =========== The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability- Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases or trade with fraud/stolen material. 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