TITLE:
Firefox "focus()" Memory Corruption Weakness

SECUNIA ADVISORY ID:
SA19802

VERIFY ADVISORY:
http://secunia.com/advisories/19802/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Mozilla Firefox 1.x
http://secunia.com/product/4227/

DESCRIPTION:
A weakness has been discovered in 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 unexpected
"focus()" JavaScript calls. This can be exploited to corrupt the
memory and cause a crash by calling the "focus()" method on a
container with specially crafted content.

The weakness has been confirmed in version 1.5.0.2. Other versions
may also be affected.

SOLUTION:
Disable JavaScript when visiting untrusted web sites.

PROVIDED AND/OR DISCOVERED BY:
splices, spiffomatic64, and Securident Technologies.

ORIGINAL ADVISORY:
http://www.securident.com/vuln/ff.txt

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About:
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