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Insecure Library Loading
Highly critical

SonicWALL SSL VPN ActiveX Controls Multiple Vulnerabilities

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Release Date:  2007-11-02    Last Update:  2007-11-06    Views:  14,457

Secunia Advisory SA27469

Where:

From remote

Impact:

Manipulation of data, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in SonicWALL SSL VPN, which can be exploited by malicious people to delete arbitrary files or to compromise a user's system.

1) Boundary errors within the NetExtender NELaunchCtrl ActiveX control when handling arguments passed to certain methods (e.g. "AddRouteEntry()", "serverAddress()", "sessionId()", "clientIPLower()", "clientIPHigher()", "userName()", "domainName()", and "dnsSuffix()") can be exploited to cause buffer overflows when a user e.g. visits a malicious website.

2) The WebCacheCleaner ActiveX control includes the insecure method "FileDelete()", which can be exploited to delete arbitrary files.

The vulnerabilities are reported in WebCacheCleaner ActiveX control version 1.3.0.3 and NeLaunchCtrl ActiveX control version 2.1.0.49. Other versions may also be affected.


Solution:
Update to firmware version 2.5 for SonicWALL SSL VPN 2000/4000, and version 2.1 for SonicWALL SSL-VPN 200.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) Independently discovered by:
* lofi42
* Will Dormann, CERT/CC ("AddRouteEntry()" method)
2) lofi42

Original Advisory:
SEC Consult:
http://www.sec-consult.com/fileadmin/Advisories/20071101-0_sonicwall_multiple.txt

US-CERT VU#298521:
http://www.kb.cert.org/vuls/id/298521

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: SonicWALL SSL VPN ActiveX Controls Multiple Vulnerabilities

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