[Para Amelio la MONA[ VULNERABLE INTERNET EXPLORER

Internet Explorer IFRAME Buffer Overflow Vulnerability
http://secunia.com/advisories/12959/

Secunia Advisory: SA12959 Print Advisory
Release Date: 2004-11-02
Last Update: 2004-11-18

Critical:
Extremely critical
Impact: System access
Where: From remote
Solution Status: Unpatched

Software: Microsoft Internet Explorer 6

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CVE reference: CAN-2004-1050

Description:
A vulnerability has been reported in Internet Explorer, which can be
exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the handling of
certain attributes in the <IFRAME>, <FRAME>, and <EMBED> HTML tags. This
can be exploited to cause a buffer overflow via a malicious HTML document
containing overly long strings in e.g. the "SRC" and "NAME" attributes of
the <IFRAME> tag.

Successful exploitation allows execution of arbitrary code.

The vulnerability has been confirmed in the following versions:
* Internet Explorer 6.0 on Windows XP SP1 (fully patched).
* Internet Explorer 6.0 on Windows 2000 (fully patched).

NOTE: This advisory has been rated "Extremely critical" as a working
exploit has been published on public mailing lists. A variant of the
MyDoom virus is now also exploiting this vulnerability.

Solution:
The vulnerability does not affect systems running Windows XP with SP2
installed.

Use another product.

Provided and/or discovered by:
Discovered by:
ned

Additional research and exploit by:
Berend-Jan Wever

Changelog:
2004-11-04: Added link to US-CERT vulnerability note.
2004-11-09: Added information about virus exploiting this vulnerability.
Added information about <FRAME> and <EMBED> tags also being affected.
2004-11-18: Added CVE reference.

Other References:
US-CERT VU#842160:
http://www.kb.cert.org/vuls/id/842160


Please note: The information, which this Secunia Advisory is based upon,
comes from third party unless stated otherwise.

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by security research groups, vendors, and others.


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