Network Security Services Library NULL Character Flaw in Common Name Field Lets Remote Users Spoof Certficiates
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SecurityTracker Alert ID: 1022632 |
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SecurityTracker URL: http://securitytracker.com/id/1022632
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CVE Reference:
CVE-2009-2408
(Links to External Site)
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Date: Jul 31 2009
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Impact:
Modification of authentication information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 3.12.3
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Description:
A vulnerability was reported in Network Security Services. A remote user can spoof certificates of arbitrary sites. Mozilla Firefox is affected.
A remote user can create a certificate with a specially crafted Common Name field that contains a NULL character. Once the certificate is signed by a Certificate Authority, the certificate can be used to spoof a target site's certificate.
Dan Kaminsky reported this vulnerability.
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Impact:
A remote user can spoof certificates of arbitrary sites.
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Solution:
The vendor has issued a fix (3.12.3).
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Vendor URL: www.mozilla.org/projects/security/pki/nss/ (Links to External Site)
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Cause:
Input validation error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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[Original Message Not Available for Viewing]
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