Internet Explorer MHTML Protocol Handler Cross-Domain Information Disclosure - Secunia Advisories - Vulnerability Intelligence

Internet Explorer MHTML Protocol Handler Cross-Domain Information Disclosure
Secunia Advisory:	SA31415	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2008-08-12
Last Update:	2008-08-14
Popularity:	4,294 views

Critical:	Moderately critical
Impact:	Exposure of sensitive information
Where:	From remote
Solution Status:	Vendor Patch

Software:	Microsoft Internet Explorer 5.01 Microsoft Internet Explorer 6.x Microsoft Internet Explorer 7.x

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2008-1448

Description: A vulnerability has been reported in Internet Explorer, which can be exploited by malicious people to gain knowledge of sensitive information. The vulnerability is caused due to an error in the MHTML protocol handler when interpreting MHTML URI redirections. This can be exploited to bypass Internet Explorer domain restrictions when returning MHTML content via a specially crafted web page. Successful exploitation allows reading content from another Internet Explorer domain or the local system NOTE: The vulnerability is reported in Outlook Express and Windows Mail by Microsoft as the functionality is provided by these programs. However, the vulnerability is exploitable via Internet Explorer. Solution: Apply patches. -- Outlook Express 5.5 SP2 -- Windows 2000 SP4: http://www.microsoft.com/downloads/de...=6257bfae-35f0-4c0e-b960-bca7aa6f86f7 -- Outlook Express 6 SP1 -- Windows 2000 SP4: http://www.microsoft.com/downloads/de...=dab178f7-c282-41f4-acb1-a86e6aa4c91b -- Microsoft Outlook Express 6 -- Windows XP SP2/SP3: http://www.microsoft.com/downloads/de...=91469f2f-461c-4a67-8738-d42520427f6b Windows XP Professional x64 Edition (optionally with SP2): http://www.microsoft.com/downloads/de...=2220aece-79d2-426f-90ec-24a17470567a Windows Server 2003 SP1/SP2: http://www.microsoft.com/downloads/de...=30f2244a-f6fd-4fc1-a871-abf6958cb660 Windows Server 2003 x64 Edition (optionally with SP2): http://www.microsoft.com/downloads/de...=3287f006-cbb2-4c6d-820c-32833e08035a Windows Server 2003 with SP1/SP2 for Itanium-based Systems: http://www.microsoft.com/downloads/de...=c8570e40-355b-4a9b-933d-53ae021cbda5 -- Windows Mail -- Windows Vista (optionally with SP1): http://www.microsoft.com/downloads/de...=3851bcf8-f971-4d38-b27f-97396854aac0 Windows Vista x64 Edition (optionally with SP1): http://www.microsoft.com/downloads/de...=3bf7eb8a-b347-4661-be2d-682adc713769 Windows Server 2008 for 32-bit Systems: http://www.microsoft.com/downloads/de...=dc3c4b63-acd3-4469-8d47-e0562d99ee65 Windows Server 2008 for x64-based Systems: http://www.microsoft.com/downloads/de...=5f973f54-2322-4b41-8c1a-3e712c0da8ae Windows Server 2008 for Itanium-based Systems: http://www.microsoft.com/downloads/de...=9226cd85-1445-4976-a126-757c5d142ffd Provided and/or discovered by: Jorge Luis Alvarez Medina, Core Security Technologies. Changelog: 2008-08-13: Minor correction in "Description". 2008-08-14: Added link to Core Security Technologies. Original Advisory: MS08-048 (KB951066): http://www.microsoft.com/technet/security/Bulletin/MS08-048.mspx Core Security Technologies: http://www.coresecurity.com/content/internet-explorer-zone-elevation Extended Solution: The "Extended Solution" section is available for Secunia customers only. Request a trial and get access to the Secunia Customer Area and Extended Secunia advisories.

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