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Mozilla / Firefox Certificate Store Corruption Vulnerability
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Secunia Advisory:
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SA12076
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Release Date:
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2004-07-16
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Last Update:
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2004-08-24
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Popularity:
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27,021 views
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Critical:
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Less critical
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Impact:
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DoS
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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 1.6
Mozilla 1.7.x
Mozilla Firefox 0.x
Mozilla Thunderbird 0.x
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| CVE reference: | CVE-2004-0758
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Description:
Marcel Boesch has reported a vulnerability in Mozilla and Firefox, which can be exploited by malicious people to cause a DoS (Denial of Service).
Arbitrary root certificates are imported silently without presenting users with a import dialog box when the MIME type is specified as: "application/x-x509-email-cert".
Due to another problem, this can e.g be exploited by malicious websites or HTML-based emails to prevent users from accessing valid SSL sites by placing invalid root certificates with the same DN (Distinguished Name) as a valid root certificate in a user's certificate store.
Successful exploitation prevents access to SSL-based sites that use a trusted root certificate with the same DN as a malicious root certificate in the user's certificate store.
The vulnerability has been reported in Mozilla 1.6, 1.7, and 1.7.1 for Windows and Linux, and in Mozilla Firefox 0.8 and 0.9.2. Other versions may also be affected.
Solution:
This has been fixed in the following versions:
* Mozilla 1.7.2
* Mozilla Firefox 0.9.3
* Mozilla Thunderbird 0.7.3
Provided and/or discovered by:
Marcel Boesch
Changelog:
2004-07-20: Updated link to Marcel Boesch paper.
2004-08-05: Added CVE reference. Updated "Solution" section.
2004-08-24: Added link to US-CERT vulnerability note.
Original Advisory:
Marcel Boesch:
http://banquo.inf.ethz.ch:8080/
Mozilla Bug Tracking System:
http://bugzilla.mozilla.org/show_bug.cgi?id=249004
Other References:
US-CERT VU#784278:
http://www.kb.cert.org/vuls/id/784278
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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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