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Mozilla / NSS S/MIME Implementation Vulnerability
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Secunia Advisory:
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SA11096
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Release Date:
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2004-03-11
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Popularity:
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21,113 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Mozilla 1.0
Mozilla 1.1
Mozilla 1.2
Mozilla 1.3
Mozilla 1.4
Network Security Services (NSS) 3.x
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| CVE reference: | CVE-2003-0564
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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
Other References:
US-CERT VU#428230:
http://www.kb.cert.org/vuls/id/428230
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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