[NT] Internet Explorer Object Type Buffer Overflow in Double-Byte Character Set Environment
From: SecuriTeam (support_at_securiteam.com)
To: email@example.com Date: 21 Aug 2003 09:35:40 +0200
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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Internet Explorer Object Type Buffer Overflow in Double-Byte Character Set
Microsoft Internet Explorer is vulnerable to a buffer overflow under the
double-byte character set environment.
* Internet Explorer 6 Service Pack 1 Japanese Edition
A buffer overflow occurs in Microsoft Internet Explorer when HTML files
with an unusually long string including double-byte character sets in the
Type property of the Object tag are processed.
In order to trigger this vulnerability, malicious website administrators
could induce Internet Explorer users to view a specially crafted web site
and consequently execute arbitrary code with the users' privileges.
This problem differs from the issue described in MS03-020 in that it
affects only specific language versions, including Japanese. Arbitrary
codes could be successfully executed on Internet Explorer 6 SP1 Japanese
in a testing environment.
Apply an appropriate patch available at:
Microsoft Security Bulletin MS03-032:
Microsoft Security Bulletin MS03-032(Japanese site):
The original advisory can be found at the following URL:
The information has been provided by <mailto:firstname.lastname@example.org> Yuu Arai
and <mailto:email@example.com> SecureNet Service(SNS) Spiffy Reviews.
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