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Insecure Library Loading
Not critical

Mozilla Firefox History Information Denial of Service Weakness

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Release Date:  2005-12-08    Last Update:  2006-04-14    Views:  58,055

Secunia Advisory SA17934

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


ZIPLOCK has discovered a weakness in Mozilla Firefox, which can be exploited by malicious people to cause a DoS (Denial of Service).

The weakness is caused due to an error in the handling of large history information. This can be exploited to fill the history file "history.dat" with large history information by tricking a user into visiting a malicious web site with an overly large title (e.g. set via JavaScript).

Successful exploitation causes the browser to consume a large amount of CPU and memory resources on a vulnerable system when the affected browser is started up again after an attack. Users may have to remove the "history.dat" file in order to be able to use the affected browser.

The weakness has been confirmed in version 1.5. Other versions may also be affected.


Solution:
Update to versions 1.0.8 or 1.5.0.1.

Further details available to Secunia VIM customers

Provided and/or discovered by:
ZIPLOCK

Original Advisory:
Mozilla:
http://www.mozilla.org/security/history-title.html
http://www.mozilla.org/security/announce/mfsa2006-03.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: Mozilla Firefox History Information Denial of Service Weakness

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