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Insecure Library Loading
Moderately critical

NovaNET Multiple Vulnerabilities

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Release Date:  2009-03-02    Last Update:  2010-05-04    Views:  3,158

Secunia Advisory SA34024

Where:

From local network

Impact:

Exposure of sensitive information, DoS, System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


Some vulnerabilities have been discovered in NovaNET, which can be exploited by malicious people to disclose potentially sensitive information, cause a DoS (Denial of Service), and compromise a vulnerable system.

1) A boundary error exists within the "DtbClsLogin()" function in nnwindtb.dll (Windows) or libnnlindtb.so (Linux), which can be exploited to cause a stack-based buffer overflow by sending specially crafted requests to the application.

Successful exploitation allows to e.g. crash the application on a Windows system and reportedly allows to execute arbitrary code on a Linux system.

2) An error exists within the processing of certain packets, which can be exploited to dump arbitrary memory by sending specially crafted packets to the service.

Note: This may allow to bypass the stack canary protection on Windows systems.

The vulnerabilities are confirmed in NovaNET version 12 (build 44717, Evaluation) for Windows. Other versions may also be affected.


Solution:
Restrict network access to the application. Reportedly fixed in version 13.

Provided and/or discovered by:
1) AbdulAziz Hariri of Insight Technologies.
2) mu-b

Original Advisory:
mu-b:
http://archives.neohapsis.com/archives/fulldisclosure/2010-04/0355.html

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: NovaNET Multiple Vulnerabilities

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