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Title:
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======
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SonicWALL CDP 5040 v6.x - Multiple Web Vulnerabilities
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Date:
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=====
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2012-11-19
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References:
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===========
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http://www.vulnerability-lab.com/get_content.php?id=549
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VL-ID:
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=====
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549
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Common Vulnerability Scoring System:
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====================================
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3.5
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Introduction:
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=============
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Tapeless Enterprise-Level Data Backup and Protection, Without the Price Tag. Automatic, real-time data backup for
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servers, laptops and PCs. Features include file versioning, fast data recovery, and automatic offsite backup
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capabilities to protect businesses against disasters. SonicWALL<4C> Continuous Data Protection (CDP) v6 is a next-
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generation data backup and disaster recovery solution that automatically preserves and protects business-relevant
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data assets against loss from file, device, and location based disasters. With support for Windows<77>, Linux<75> and
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Mac OS<4F> through a single Web GUI, CDP provides granular, globally enforced policy controls over the entire backup
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operation. Unmatched flexibility enables IT administrators to dictate what information to backup, what to exclude
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and how the information should be maintained to adhere to recovery and compliance requirements. A sophisticated
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new fileset backup methodology combined with agent-based data de-duplication moves and stores only unique data
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blocks. This speeds the backup process and optimizes bandwidth usage while maintaining total information continuity
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and the ability to flexibly restore multiple revisions. SonicWALL Continuous Data Protection v6 offers the
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comprehensive data protection organizations demand and the power administrators need for vigilant data backup
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and disaster recovery.
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(Copy of the Vendor Homepage: http://sonicwall.com/emea/backup_and_recovery.html)
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Abstract:
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=========
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Vulnerability Lab Research Team discovered multiple Vulnerabilities in SonicWalls Continuous Data Protection v6.x 5040 appliance application.
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Report-Timeline:
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================
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2012-05-04: Researcher Notification & Coordination
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2012-05-08: Vendor Notification 1
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2012-08-10: Vendor Notification 2
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2012-08-16: Vendor Response/Feedback
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2012-11-01: Vendor Fix/Patch by Check
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2012-11-19: Public Disclosure
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Status:
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========
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Published
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Affected Products:
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==================
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SonicWall
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Product: Continues Data Protection GUI v5040 6.0.x
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Exploitation-Technique:
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=======================
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Remote
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Severity:
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=========
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Medium
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Details:
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========
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Multiple persistent input validation vulnerabilities are detected in SonicWalls Continuous Data Protection v6.x 5040 appliance application.
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The vulnerability allows an remote attacker or local low privileged user account to inject/implement malicious persistent script code
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on application side of the appliance application.
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The vulnerabilities are located in the network, accounts management and system settings modules with the bound vulnerable label
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delAppl (name, username & servername) parameters. An attackers can inject script code as name, username or servername via add function
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to manipulate the vulnerable module with malicious persistent web context. The persistent script code will be executed when the victim
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is processing to watch the vulnerable module listing (output|index).
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Successful exploitation of the vulnerability result in session hijacking (customer/manager/admin) or stable (persistent) module
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context manipulation. Exploitation requires low user inter action and a low privileged web application user account.
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Vulnerable Module(s):
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[+] Network > Settings [Name]
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[+] BMR > Accounts [Username]
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[+] System > Settings [Server]
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Vulnerable Parameter(s):
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[+] label delAppl - Name
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[+] label delAppl - Username
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[+] label delAppl - Servername
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Proof of Concept:
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=================
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The persistent input validation vulnerabilities can be exploited by remote attackers with local low privileged user accounts and
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low required user interaction. For demonstration or reproduce ...
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Review: Network > Settings > ADD > [Name] - label delAppl - Name
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<label for="delAppl_0">>"[PERSISTENT SCRIPT CODE!]"></label></span></td><td class="tableLineContrast"
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name="ip"><span><label for="delAppl_0" >192.168.150.216</label></span></td><td
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class="tableLineContrast" name="netmask"><span><label for="delAppl_0"
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>255.255.255.0</label></span></td><td class="tableLineContrast" name="gateway"><span><label
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for="delAppl_0" >192.168.150.1</label></span></td><td class="tableLineContrast" nowrap=""><a
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class="swlEventEdit" href="#" title="Edit Entry"><img class="actionIcon" width="20" height="20" border="0" alt="Edit this entry"
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src="images/edit.gif"/></a></td><td> <input type="hidden" name="itemId"
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value="undefined"></input></td></tr></tbody></table></iframe></label>
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Review: BMR > Accounts [Username] - label delAppl - Username
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<label for="delAppl_0">>"[PERSISTENT SCRIPT CODE!]"></label></span></td><td class="tableLineContrast"
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><span><label for="delAppl_0" >100000</label></span></td><td class="tableLineContrast"
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nowrap=""><a class="swlEventEdit" href="#" title="Edit Entry"><img class="actionIcon" width="20" height="20" border="0"
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alt="Edit this entry" src="images/edit.gif"/></a><a class="swlEventDelete" href="#" title="Delete Entry"><img
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class="actionIcon" width="20" height="20" border="0" alt="Delete this entry"
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src="images/trash.gif"/></a></td></tr></tbody></table></iframe></label>
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Review: System > Settings [Server] - label delAppl - Servername
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<label for="delAppl_3">>"[PERSISTENT SCRIPT CODE!]"></label></span></td><td class="tableLineContrast"
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nowrap=""><a class="swlEventDelete" href="#" title="Delete NTP Server"><img class="actionIcon" width="20" height="20"
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border="0" alt="Delete this entry" src="images/trash.gif"/></a></td><td> <input type="hidden" name="itemId"
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value="undefined"></input></td></tr></tbody></table></iframe></label>
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Risk:
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=====
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The security risk of the persistent input validation vulnerabilities are estimated as medium(+).
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Credits:
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========
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Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@vulnerability-lab.com)
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Disclaimer:
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===========
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The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties,
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either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-
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Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business
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profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some
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states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation
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may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases
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or trade with fraud/stolen material.
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Copyright <20> 2012 | Vulnerability Laboratory
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--
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VULNERABILITY RESEARCH LABORATORY
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LABORATORY RESEARCH TEAM
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CONTACT: research@vulnerability-lab.com |