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Not critical

Google Gears Cross-Site Scripting Weakness

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Release Date:  2008-12-09    Last Update:  2009-03-26    Views:  9,472

Secunia Advisory SA33062

Where:

From remote

Impact:

Cross Site Scripting

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Yair Amit has reported a weakness in Google Gears, which can be exploited by malicious people to conduct cross-site scripting attacks.

The weakness is caused due to the Google Gears engine improperly executing scripts loaded from remote sites. This can be exploited to execute arbitrary Google Gears script code in a user's browser session in context of a target domain hosting e.g. a malicious image.

Successful exploitation requires the ability to place files on the target domain.

The weakness is reported in versions prior to 0.5.4.2.


Solution:
Update to version 0.5.4.2 or later.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Yair Amit, IBM Rational Application Security

Original Advisory:
Google Gear:
http://code.google.com/apis/gears/upcoming/api_workerpool.html#cross_origin

Yair Amit:
http://lists.grok.org.uk/pipermail/full-disclosure/2008-December/066291.html
http://blog.watchfire.com/wfblog/2008/12/breaking-google-gears-cross-origin-communication-model.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Google Gears Cross-Site Scripting Weakness

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