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Microsoft XML Core Services Multiple Vulnerabilities
Secunia Advisory: SA23655
Release Date: 2007-01-09
Last Update: 2008-11-11
Popularity: 21,114 views

Critical:
Highly critical
Impact: Cross Site Scripting
DoS
System access
Where: From remote
Solution Status: Vendor Patch

OS:Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows Server 2008
Microsoft Windows Storage Server 2003
Microsoft Windows Vista
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Software:Microsoft Expression Web 1.x
Microsoft Expression Web 2.x
Microsoft Office 2003 Professional Edition
Microsoft Office 2003 Small Business Edition
Microsoft Office 2003 Standard Edition
Microsoft Office 2003 Student and Teacher Edition
Microsoft Office 2007
Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats
Microsoft Office Groove Server 2007
Microsoft Office SharePoint Server 2007
Microsoft Word Viewer 2003
Microsoft XML Core Services (MSXML) 3.x
Microsoft XML Core Services (MSXML) 4.x
Microsoft XML Core Services (MSXML) 5.x
Microsoft XML Core Services (MSXML) 6.x

Binary Analysis: BA609 :: Available for 1 Credit

Subscribe: Instant alerts on relevant vulnerabilities

CVE reference:CVE-2007-0099
CVE-2008-4029
CVE-2008-4033


Description:
Multiple vulnerabilities have been reported in Microsoft XML Core Services, which can be exploited by malicious people to gain knowledge of sensitive information or potentially compromise a user's system.

1) A race condition when parsing XML content can be exploited to corrupt memory by reloading specially crafted XML files with nested tags in multiple iframes.

Successful exploitation may allow execution of arbitrary code by e.g. tricking a user into visiting a malicious website.

NOTE: This vulnerability only affects systems with Microsoft XML Core Services 3.0 installed.

2) An error in the handling of error checks for external document type definitions (DTDs) can be exploited to violate the cross-domain policy and read contents from another domain when a user e.g. visits a malicious website or views a specially crafted HTML e-mail.

NOTE: This vulnerability only affects systems with Microsoft XML Core Services 3.0 or Microsoft XML Core Services 4.0 installed.

3) An error in the handling of transfer-encoding headers can be exploited to violate the cross-domain policy and read contents from another domain when a user e.g. visits a malicious website or views a specially crafted HTML e-mail.

Solution:
Apply patches.

-- Windows 2000 --

Windows 2000 SP4 and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=559cd4b6-24b7-4e60-8749-37d9b833d3eb

Windows 2000 SP4 and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows 2000 SP4 and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=59914795-60c7-4ebe-828d-f28cb457e6e3


-- Windows XP --

Windows XP SP2 and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=6ed1a087-97e2-4283-9b53-b7b046654d08

Windows XP SP3 and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=6ed1a087-97e2-4283-9b53-b7b046654d08

Windows XP SP2/SP3 and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows XP SP2 and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=59914795-60c7-4ebe-828d-f28cb457e6e3

Windows XP SP3 and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=7493fa37-2cbf-4d66-8690-d50d63da4096

Windows XP Professional x64 Edition (optionally with SP2) and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=1b79f220-ebfc-49c1-963b-58bbda21b6e7

Windows XP Professional x64 Edition (optionally with SP2) and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows XP Professional x64 Edition (optionally with SP2) and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=59914795-60c7-4ebe-828d-f28cb457e6e3


-- Windows Server 2003 --

Windows Server 2003 SP1/SP2 and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=0a0f8385-e908-4b5f-b9bf-80b7dabfcafd

Windows Server 2003 SP1/SP2 and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows Server 2003 SP1/SP2 and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=59914795-60c7-4ebe-828d-f28cb457e6e3

Windows Server 2003 x64 Edition (optionally with SP2) and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=347c8c83-4269-4a0e-af6f-4be2e824d22b

Windows Server 2003 x64 Edition (optionally with SP2) and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows Server 2003 x64 Edition (optionally with SP2) and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=59914795-60c7-4ebe-828d-f28cb457e6e3

Windows Server 2003 with SP1/SP2 for Itanium-based Systems and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=3a65e1cd-eb4e-44b6-8868-a5a84be2cb32

Windows Server 2003 with SP1/SP2 for Itanium-based Systems and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows Server 2003 with SP1/SP2 for Itanium-based Systems and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=59914795-60c7-4ebe-828d-f28cb457e6e3


-- Windows Vista --

Windows Vista and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=affbc957-1867-4bbe-924d-6f0696ae0895

Windows Vista SP1 and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=affbc957-1867-4bbe-924d-6f0696ae0895

Windows Vista (optionally with SP1) and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows Vista and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=cb6c4315-8c6d-43af-978b-b190b1a1577a

Windows Vista SP1 and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=cb6c4315-8c6d-43af-978b-b190b1a1577a

Windows Vista x64 Edition and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=b01a5f31-8c57-4c5c-909e-b37caf0439b0

Windows Vista x64 Edition SP1 and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=b01a5f31-8c57-4c5c-909e-b37caf0439b0

Windows Vista x64 Edition (optionally with SP1) and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows Vista x64 Edition and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=39443046-2093-4c87-ac7b-679deab96414

Windows Vista x64 Edition SP1 and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=39443046-2093-4c87-ac7b-679deab96414


-- Windows Server 2008 --

Windows Server 2008 for 32-bit Systems and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=90a04164-4d02-4ce9-b3d8-bddb1ec27618

Windows Server 2008 for 32-bit Systems and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows Server 2008 for 32-bit Systems and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=dea9f227-967f-47c7-bb2a-ed68f13645d9

Windows Server 2008 for x64-based Systems and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=b7bfe3f4-835f-402c-95b5-6d49b6935308

Windows Server 2008 for x64-based Systems and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows Server 2008 for x64-based Systems and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=f16e2a5f-37fd-4ee1-aef0-597214323dc4

Windows Server 2008 for Itanium-based Systems and Microsoft XML Core Services 3.0:
http://www.microsoft.com/downloads/de...=4e0d1efe-70ac-459b-b330-c0149b74f520

Windows Server 2008 for Itanium-based Systems and Microsoft XML Core Services 4.0:
http://www.microsoft.com/downloads/de...=96a4413c-5261-4f69-83d0-932c430abd14

Windows Server 2008 for Itanium-based Systems and Microsoft XML Core Services 6.0:
http://www.microsoft.com/downloads/de...=d4ae74e2-1b09-4a99-8cf5-8a8ca8ac6f7f


-- Microsoft Office --

Office 2003 SP3 and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=7ad891a8-c3bb-4479-8282-13d629c410e3

Microsoft Word Viewer 2003 SP3 and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=7ad891a8-c3bb-4479-8282-13d629c410e3

2007 Microsoft Office System and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=27b06ee8-570a-4dc2-a230-c70d4a706245

2007 Microsoft Office System SP1 and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=27b06ee8-570a-4dc2-a230-c70d4a706245

Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=27b06ee8-570a-4dc2-a230-c70d4a706245

Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=27b06ee8-570a-4dc2-a230-c70d4a706245

Microsoft Expression Web and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=27b06ee8-570a-4dc2-a230-c70d4a706245

Microsoft Expression Web 2 and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=27b06ee8-570a-4dc2-a230-c70d4a706245

Office SharePoint Server 2007 (32-bit editions) and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=a208f2b5-2b0d-43bb-8f8a-58d4a3fc64f5

Office SharePoint Server 2007 SP1 (32-bit editions) and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=a208f2b5-2b0d-43bb-8f8a-58d4a3fc64f5

Office SharePoint Server 2007 (optionally with SP1) (64-bit editions) and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=0735f4af-e32b-4970-bed7-b2b9323cf54c

Office Groove Server 2007 and Microsoft XML Core Services 5.0:
http://www.microsoft.com/downloads/de...=0735f4af-e32b-4970-bed7-b2b9323cf54c

Provided and/or discovered by:
1) Michal Zalewski
2) The vendor credits Gregory Fleischer.
3) The vendor credits Stefano Di Paola, Minded Security.

Changelog:
2007-01-17: Added CVE reference.
2008-11-11: Added additional information from Microsoft. Updated "Solution" section.

Original Advisory:
MS08-069 (KB955218):
http://www.microsoft.com/technet/security/Bulletin/MS08-069.mspx

Michal Zalewski:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-January/051616.html


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