Secunia Security Advisory - 5up3rh3i has discovered a vulnerability in the Firebug extension for Mozilla Firefox, which can be exploited by malicious people to compromise a user's system.
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TITLE:
Mozilla Firefox Firebug Extension Net Panel Cross-Context Scripting
Vulnerability
SECUNIA ADVISORY ID:
SA44951
VERIFY ADVISORY:
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http://secunia.com/advisories/44951/
Customer Area (Credentials Required)
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RELEASE DATE:
2011-06-20
DISCUSS ADVISORY:
http://secunia.com/advisories/44951/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA:
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http://secunia.com/advisories/44951/
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DESCRIPTION:
5up3rh3i has discovered a vulnerability in the Firebug extension for
Mozilla Firefox, which can be exploited by malicious people to
compromise a user's system.
The vulnerability is caused due to an error within the HTML parser
when handling certain script code and can be exploited to e.g.
execute arbitrary script code within the "chrome:" context by
tricking a user into visiting a malicious website and viewing the
HTML output via the Net panel.
The vulnerability is confirmed in version 1.7.2. Other versions may
also be affected.
SOLUTION:
Do not visit untrusted websites when using the extension.
PROVIDED AND/OR DISCOVERED BY:
5up3rh3i
ORIGINAL ADVISORY:
http://www.80vul.com/firefox/Firebug%20Firefox%20Extension%20Cross%20Context%20Scripting%20Vulnerability.htm
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/
DEEP LINKS:
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EXTENDED DESCRIPTION:
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EXTENDED SOLUTION:
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EXPLOIT:
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