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Mozilla Firefox Memory Corruption Weakness
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Secunia Advisory:
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SA21513
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Release Date:
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2006-08-17
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Last Update:
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2006-09-15
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Critical:
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Not 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 Firefox 1.x
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| | CVE reference: | CVE-2006-4253 (Secunia mirror)
CVE-2006-4261 (Secunia mirror)
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Description:
Michal Zalewski has discovered a weakness in Firefox, which can be exploited by malicious people to cause a DoS (Denial of Service).
The weakness is caused due to an unspecified error and can be exploited to corrupt memory.
Successful exploitation crashes the browser. Execution of arbitrary code has not been proven, but can't be completely ruled out.
The weakness has been confirmed in version 1.5.0.6 for Windows. Other versions may also be affected.
NOTE: Secunia normally doesn't classify a browser crash as a vulnerability nor issue an advisory about it. However, the potential risc of this issue may be more severe than currently believed, which justifies for an advisory being issued.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.
Solution:
Update to version 1.5.0.7.
http://www.mozilla.com/firefox/
Provided and/or discovered by:
Michal Zalewski
Changelog:
2006-08-24: Added CVE references.
2006-09-15: Updated "Solution" section.
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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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