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Mozilla Firefox Multiple Vulnerabilities
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Secunia Advisory:
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SA21906
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Release Date:
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2006-09-15
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Last Update:
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2007-06-19
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Popularity:
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50,558 views
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Critical:
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Highly critical
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Impact:
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Security Bypass
Cross Site Scripting
Spoofing
DoS
System access
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Where:
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From remote
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Solution Status:
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Partial Fix
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| Software: | Mozilla Firefox 0.x
Mozilla Firefox 1.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2006-4253
CVE-2006-4339
CVE-2006-4340
CVE-2006-4565
CVE-2006-4566
CVE-2006-4567
CVE-2006-4568
CVE-2006-4571
CVE-2007-3089
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Description:
Some vulnerabilities have been reported in Mozilla Firefox, which can be exploited by malicious people to conduct man-in-the-middle, spoofing, and cross-site scripting attacks, and potentially compromise a user's system.
1) An error in the handling of JavaScript regular expressions containing a minimal quantifier can be exploited to cause a heap-based buffer overflow.
Successful exploitation may allow execution of arbitrary code.
2) The auto-update mechanism uses SSL to communicate securely. The problem is that users may have accepted an unverifiable self-signed certificate when visiting a web site, which will allow an attacker to redirect the update check to a malicious web site in a man-in-the-middle attack.
3) Some time-dependent errors during text display can be exploited to corrupt memory.
Successful exploitation may allow execution of arbitrary code.
This is related to:
SA21513
4) An error exists within the verification of certain signatures in the bundled Network Security Services (NSS) library.
For more information:
SA21903
5) An error in the cross-domain handling can be exploited to inject arbitrary HTML and script code in a sub-frame of another web site via a "[window].frames[index].document.open()" call.
6) An error exists due to blocked popups opened from the status bar via the "blocked popups" functionality being opened in an incorrect context in certain situations. This may be exploited to execute arbitrary HTML and script code in a user's browser session in context of an arbitrary web site.
7) Some unspecified memory corruption errors may be exploited to execute arbitrary code.
Solution:
Update to version 1.5.0.7.
http://www.mozilla.com/firefox/
Provided and/or discovered by:
1) Priit Laes, CanadianGuy, Girts Folkmanis, and Catalin Patulea
2) Jon Oberheide
3) Jonathan Watt and Michal Zalewski
4) Philip Mackenzie and Marius Schilder, Google
5-6) shutdown
7) Bernd Mielke, Georgi Guninski, Igor Bukanov, Jesse Ruderman, Martijn Wargers, Mats Palmgren, Olli Pettay, shutdown, and Weston Carloss
Changelog:
2006-09-20: Added link to US-CERT.
2007-06-04: Changed "Solution Status" to "Partial Fix" based on additional research done by Michal Zalewski and Ronen Zilberman for vulnerability #5.
2007-06-19: Added additional CVE identifier and links.
Original Advisory:
1) http://www.mozilla.org/security/announce/2006/mfsa2006-57.html
2) http://www.mozilla.org/security/announce/2006/mfsa2006-58.html
3) http://www.mozilla.org/security/announce/2006/mfsa2006-59.html
4) http://www.mozilla.org/security/announce/2006/mfsa2006-60.html
5) http://www.mozilla.org/security/announce/2006/mfsa2006-61.html
6) http://www.mozilla.org/security/announce/2006/mfsa2006-62.html
7) http://www.mozilla.org/security/announce/2006/mfsa2006-64.html
https://bugzilla.mozilla.org/show_bug.cgi?id=382686
http://lcamtuf.coredump.cx/ifsnatch/
Other References:
SA21513:
http://secunia.com/advisories/21513/
SA21903:
http://secunia.com/advisories/21903/
US-CERT VU#141528:
http://www.kb.cert.org/vuls/id/141528
US-CERT VU#143297:
http://www.kb.cert.org/vuls/id/143297
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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