JVN#27203006
Internet Explorer vulnerable in MHTML handling
Overview
Internet Explorer is vulnerable in handling MHTML (MIME Encapsulation of Aggregate HTML) protocol, which may allow an arbitrary script execution.
Products Affected
Some versions of Outlook Express are affected because the vulnerability is contained in the Outlook Express component used by Internet Explorer.- Outlook Express 6, Windows XP / Windows Server 2003
- Windows Mail, Windows Vista
Description
When Internet Explorer accesses a website with the MHTML protocol, Internet Explorer processes the contents as MHTML data, ignoring their actual content types. This behavior may result in executing the scripts embedded in the contents.
The MHTML protocol handler is included in the Outlook Express component, and Microsoft provides the fix of the vulnerability for this component.
Impact
An arbitrary script may be executed on the user's web browser.
Solution
Update the Software
Apply the latest updates provided by the vendor.
Vendor Status
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Analyzed on 2007.06.18
| Measures | Conditions | Severity |
|---|---|---|
| Access Required | Routed - can be attacked over the Internet using packets |
|
| Authentication | None - anonymous or no authentication (IP addresses do not count) |
|
| User Interaction Required | Simple - the user must be convinced to take a standard action that does not feel harmful to most users, such as click on a link or view a file |
|
| Exploit Complexity | Low - little to no expertise and/or luck required to exploit (cross-site scripting) |
|
Credit
stardust hoshikuzu and Yosuke Hasegawa reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendors under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
JPCERT-AT-2007-0014 |
| JPCERT Reports | |
| CERT Advisory |
Technical Cyber Security Alert TA07-163A |
| CPNI Advisory | |
| TRnotes | |
| CVE |
CVE-2007-2225 |
| JVN iPedia |
JVNDB-2007-000446 |