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Insecure Library Loading
Moderately critical

Network Security Services Insecure Library Loading Vulnerability

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Release Date:  2011-10-21    Last Update:  2011-11-07    Views:  2,814

Secunia Advisory SA46557

Where:

From remote

Impact:

System access

Solution Status:

Vendor Workaround

CVE Reference(s):

Description


A vulnerability has been reported in Network Security Services (NSS), which can be exploited by malicious people to compromise an application using the library.

The vulnerability is caused due to the "NSS_NoDB_Init()" function incorrectly constructing a file path for the "pkcs11.txt" configuration file. This can be exploited to load arbitrary security modules via the "library" directive when a configuration file is loaded from a remote WebDAV or SMB share.

Successful exploitation allows execution of arbitrary code.


Solution:
Fixed in the CVS repository.

Provided and/or discovered by:
Reported by hclam in a bug report.

Original Advisory:
https://bugzilla.mozilla.org/show_bug.cgi?id=641052
http://code.google.com/p/chromium/issues/detail?id=97426#c8

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: Network Security Services Insecure Library Loading Vulnerability

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