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Mozilla Firefox Multiple Vulnerabilities
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Secunia Advisory:
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SA14938
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Release Date:
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2005-04-18
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Last Update:
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2006-06-07
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Popularity:
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45,325 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
System access
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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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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
Multiple vulnerabilities have been reported in Firefox, which can be exploited by malicious people to conduct cross-site scripting attacks, bypass certain security restrictions, and compromise a user's system.
1) An input validation error when processing the "PLUGINSPAGE" attribute of the "EMBED" tag for non-installed plugins can be exploited to inject arbitrary JavaScript code in the "chrome" via a specially crafted "PLUGINSPAGE" attribute.
Successful exploitation may allow execution of arbitrary code, but requires that the user clicks the "Manual Install" button.
NOTE: This vulnerability was originally fixed in version 1.0.4. However, it is reportedly possible to bypass the added security check using nested "javascript:" URIs.
2) An error, where blocked popups opened through the GUI incorrectly runs with "chrome" privileges, can be exploited to execute arbitrary code via a specially crafted "javascript:" URI.
Successful exploitation requires that the user opens a blocked popup.
3) An error, where the global scope of a window or tab in certain situations is not properly cleaned before navigating to a new web site, can be exploited to execute arbitrary script code in a user's browser session in context of the new site.
4) An error, where the URL of a "favicons" icon for a web site is not verified before being changed via JavaScript, can be exploited to execute arbitrary script code with escalated privileges via a specially crafted "javascript:" URI.
Successful exploitation may allow execution of arbitrary code.
NOTE: This was originally fixed in version 1.0.3. However, it is reportedly possible to bypass the added security checks by e.g. wrapping a "javascript:" URI with the "jar:" or "view-source:" URI handler.
5) An error, where the action URL of a search plugin is not verified before being used to perform a search, can be exploited to execute arbitrary script code in a user's browser session in context of the current web site, but requires that the user is tricked into installing a search plugin with a specially crafted "javascript:" URI.
Successful exploitation may allow execution of arbitrary code, if a search is performed when the current web site runs with escalated privileges (e.g. "about:plugins" and "about:config").
6) An error in the way links are opened in the sidebar using the "_search" target can be exploited to execute arbitrary script code in a user's browser session in context of an arbitrary website via a specially crafted "javascript:" URI.
Successful exploitation may allow execution of arbitrary code.
7) Some input validation errors when handling parameters of invalid types passed to certain "InstallTrigger" and "XPInstall" related objects via JavaScript may be exploited to execute arbitrary code.
8) Some errors, where certain privileged UI code does not properly validate DOM nodes from the content window, can be exploited to execute arbitrary code.
Successful exploitation may require some user interaction.
NOTE: This was originally fixed in version 1.0.3, but the added security checks can reportedly be bypassed.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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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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3rd Jul, 2009
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