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Mozilla Firefox "locations.hostname" DOM Property Handling Vulnerability
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Secunia Advisory:
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SA24175
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Release Date:
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2007-02-16
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Last Update:
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2007-02-24
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Critical:
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Moderately critical
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Impact:
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Security Bypass
Manipulation of data
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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
Mozilla Firefox 2.0.x
Mozilla SeaMonkey 1.0.x
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| | CVE reference: | CVE-2007-0981 (Secunia mirror)
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Description:
Michal Zalewski has reported a vulnerability in Mozilla Firefox, which can be exploited by malicious people to bypass certain security restrictions.
The vulnerability is caused due to an error in the handling of the "locations.hostname" DOM property. This can be exploited to e.g. manipulate authentication cookies for an arbitrary web site via assigning a URL including a NULL character ("\x00") to "locations.hostname".
Successful exploitation requires that the user is e.g. tricked into visiting a malicious web site.
The vulnerability is reported in version 2.0.0.1. Other versions may also be affected.
NOTE: Other issues have also been reported, some of which are also related to the "locations.hostname" DOM property.
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 a fixed version.
Firefox:
Update to version 2.0.0.2 or 1.5.0.10.
SeaMonkey:
Update to version 1.0.8.
Provided and/or discovered by:
Michal Zalewski
Changelog:
2007-02-16: Added CVE reference.
2007-02-24: Updated "Solution" section.
Original Advisory:
Full-Disclosure:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-February/052447.html
Other References:
https://bugzilla.mozilla.org/show_bug.cgi?id=370445
US-CERT VU#885753:
http://www.kb.cert.org/vuls/id/885753
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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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