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Mozilla Firefox JavaScript Engine Information Disclosure Vulnerability
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Secunia Advisory:
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SA14820
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Release Date:
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2005-04-04
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Last Update:
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2005-04-16
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Popularity:
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158,212 views
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Critical:
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Moderately critical
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Impact:
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Exposure of system information
Exposure of sensitive information
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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 Firefox 0.x
Mozilla Firefox 1.x
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| CVE reference: | CVE-2005-0989
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Description:
A vulnerability has been discovered in Mozilla Firefox, which can be exploited by malicious people to gain knowledge of potentially sensitive information.
The vulnerability is caused due to an error in the JavaScript engine, as a "lambda" replace exposes arbitrary amounts of heap memory after the end of a JavaScript string.
Successful exploitation may disclose sensitive information in memory.
Secunia has constructed a test, which can be used to check if your browser is affected by this issue:
http://secunia.com/mozilla_products_arbitrary_memory_exposure_test/
The vulnerability has been confirmed in versions 1.0.1 and 1.0.2. Other versions may also be affected.
Solution:
Update to version 1.0.3.
http://www.mozilla.org/products/firefox/
Provided and/or discovered by:
Azafran
Changelog:
2005-04-13: Added CVE reference.
2005-04-16: Updated "Solution" section.
Original Advisory:
The Mozilla Organization:
http://www.mozilla.org/security/announce/mfsa2005-33.html
https://bugzilla.mozilla.org/show_bug.cgi?id=288688
Azafran:
http://cubic.xfo.org.ru/index.cgi?read=53004
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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.
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