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Safari "data:" URI Handler Denial of Service Weakness
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Secunia Advisory:
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SA16875
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Release Date:
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2005-09-20
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Last Update:
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2006-01-18
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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: | Safari 2.x
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| | CVE reference: | CVE-2005-3018 (Secunia mirror)
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Description:
Jonathan Rockway has discovered a weakness in Safari, which can be exploited by malicious people to cause a DoS (Denial of Service).
The weakness is caused due to an error in the processing of URLs in the "data:" URI handler. This can be exploited to crash a vulnerable browser via e.g. an image tag referencing a specially crafted "data:" URL.
Example:
data://<h1>crash</h1>
The weakness has been confirmed in version 2.0 (412.2). Other versions may also be affected.
Solution:
The weakness has been silently fixed in some security update.
Provided and/or discovered by:
Jonathan Rockway
Changelog:
2005-09-23: Added CVE reference.
2006-01-18: 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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6 Related Secunia Security Advisories
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1. Apple Safari Multiple Vulnerabilities
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2. Safari HTML Parsing Weakness and URL Information Disclosure
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3. Safari AutoFill Information Disclosure
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4. Safari "rowspan" Attribute Denial of Service Vulnerability
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5. Safari Image Control Status Bar Spoofing Weakness
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6. Safari Dialog Origin Spoofing Vulnerability
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