INFORMATION BULLETIN
INFORMATION BULLETIN
| PROBLEM: | An information disclosure vulnerability exists in Outlook Express and Windows mail because the MHTML protocol handler incorrectly interprets MHTML URL redirections that could potentially bypass Internet Explorer domain restrictions when running MHTML content. An attacker could exploit the vulneraiblity by constructing a specially crafted Web page. |
| PLATFORM: | Outlook Express 6 Service Pack 1 and Outlook Express 5.5 Service Pack 2 on Windows 2000 Service Pack 4 Outlook Express 6 on Windows XP (all editions) Outlook Express 6 on Windows Server 2003 (all editions) Windows Mail on Windows Vista (all editions) Windows Mail on Windows Server 2008 (all editions) |
| DAMAGE: | Information disclosure. |
| SOLUTION: | Upgrade to the appropriate version. |
| VULNERABILITY ASSESSMENT: |
The risk is LOW. An attacker who successfully exploited this vulnerability could read data from another Internet Explorer domain or the local computer. |
| CVSS 2 BASE SCORE: TEMPORAL SCORE: VECTOR: |
5.0 4.1 (AV:N/AC:L/Au:N/C:P/I:N/A:N/E:F/RL:OF/RC:C) |
| LINKS: | |
| CIAC BULLETIN: | http://www.ciac.org/ciac/bulletins/s-356.shtml |
| ORIGINAL BULLETIN: | http://www.microsoft.com/technet/security/Bulletin/MS08-048.mspx |
| CVE: | CVE-2008-1448 |
REVISION HISTORY:
08/18/2008 - revised S-356 to reflect changes Microsoft has made in MS08-048 where
they corrected log file location, removal information, and registry key
verification in the reference tables of this bulletin.
[***** Start Microsoft Security Bulletin (MS08-048) *****]
Version: 1.1
This security update resolves a privately reported vulnerability in Outlook Express and Windows Mail. The vulnerability could allow information disclosure if a user visits a specially crafted Web page using Internet Explorer. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
This security update is rated Important for supported editions of Windows XP and Windows Vista and rated Low for supported editions of Windows Server 2003 and Windows Server 2008. For more information, see the subsection, Affected and Non-Affected Software, in this section.
This security update addresses the vulnerability by changing the MHTML protocol handler in Windows so that it securely handles MHTML URLs in redirection scenarios. For more information about the vulnerability, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.
Recommendation. Microsoft recommends that customers apply the update at the earliest opportunity.
Known Issues. None
The following software have been tested to determine which versions or editions are affected. Other versions or editions are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, visit Microsoft Support Lifecycle.
Affected Software
| Operating System | Component | Maximum Security Impact | Aggregate Severity Rating | Bulletins Replaced by this Update |
Microsoft Windows 2000 Service Pack 4 |
Information Disclosure |
Important |
||
Microsoft Windows 2000 Service Pack 4 |
Information Disclosure |
Important |
||
Windows XP Service Pack 2 and Windows XP Service Pack 3 |
Information Disclosure |
Important |
||
Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2 |
Information Disclosure |
Important |
||
Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 |
Information Disclosure |
Low |
||
Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 |
Information Disclosure |
Low |
||
Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems |
Information Disclosure |
Low |
||
Windows Vista and Windows Vista Service Pack 1 |
Information Disclosure |
Important |
||
Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1 |
Information Disclosure |
Important |
||
Windows Server 2008 for 32-bit Systems* |
Information Disclosure |
Low |
None |
|
Windows Server 2008 for x64-based Systems* |
Information Disclosure |
Low |
None |
|
Windows Server 2008 for Itanium-based Systems |
Information Disclosure |
Low |
None |
*Windows Server 2008 server core installation not affected. The vulnerability addressed by this update does not affect supported editions of Windows Server 2008 if Windows Server 2008 was installed using the Server Core installation option. For more information on this installation option, see Server Core. Note that the Server Core installation option does not apply to certain editions of Windows Server 2008; see Compare Server Core Installation Options.
 |
Severity Ratings and Vulnerability Identifiers |
|
|
URL Parsing Cross-Domain Information Disclosure Vulnerability - CVE-2008-1448 |
Microsoft thanks the following for working with us to help protect customers:
| • | Jorge Luis Alvarez Medina of Core Security Technologies for reporting the URL Parsing Cross-Domain Information Disclosure Vulnerability (CVE-2008-1448). |
| • | Customers in the U.S. and Canada can receive technical support from Microsoft Product Support Services at 1-866-PCSAFETY. There is no charge for support calls that are associated with security updates. |
| • | International customers can receive support from their local Microsoft subsidiaries. There is no charge for support that is associated with security updates. For more information about how to contact Microsoft for support issues, visit the International Support Web site. |
The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
| • | V1.0 (August 12, 2008): Bulletin published. |
| • | V1.1 (August 13, 2008): Corrected log file location, removal information, and registry key verification in the reference tables of this bulletin. Also added an entry to explain why this update is rated Important for supported editions of Windows XP and Windows Vista and rated Low for supported editions of Windows Server 2003 and Windows Server 2008. |
[***** End Microsoft Security Bulletin (MS08-048) *****]
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