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Insecure Library Loading
Moderately critical

Firefox infoRSS Extension Cross-Context Scripting Vulnerability

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Release Date:  2009-11-23    Last Update:  2009-12-02    Views:  6,288

Secunia Advisory SA37467

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been discovered in the infoRSS extension for Firefox, which can be exploited by malicious people to compromise a user's system.

Input passed via RSS feeds is not properly sanitised before being used to render content. This can be exploited to execute arbitrary script code within the "chrome:" context and execute arbitrary commands on a user's system.

Successful exploitation requires that a user subscribes to a specially crafted RSS feed.

The vulnerability is confirmed in version 1.1.4.2. Other versions may also be affected.


Solution:
Update to version 1.2.0 or later.

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
https://addons.mozilla.org/en-US/firefox/addons/versions/361#version-1.2.0

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: Firefox infoRSS Extension Cross-Context Scripting Vulnerability

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