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Moderately critical

Mozilla / NSS S/MIME Implementation Vulnerability

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Release Date:  2004-03-11    Views:  26,417

Secunia Advisory SA11096

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a user's system, has been reported in NSS (Network Security Services) security suite and Mozilla browsers shipping vulnerable versions of it.

The vulnerability is caused due to a handling error in the S/MIME (Secure/Multipurpose Internet Mail Extensions) implementation when parsing certain ASN.1 constructs. This can be exploited by sending a specially crafted S/MIME email containing an exceptional ASN.1 element to a user.

The vulnerability reportedly affects NSS 3.8 and prior as well as Mozilla browsers shipping affected versions.


Solution:
The vulnerability has been fixed in NSS 3.9 and Mozilla browsers shipping this version.

Provided and/or discovered by:
NISCC

Original Advisory:
NISCC:
http://www.uniras.gov.uk/vuls/2003/006489/smime.htm

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: Mozilla / NSS S/MIME Implementation Vulnerability

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