Internet Explorer HTTP Request Smuggling/Splitting Vulnerabilities - Secunia Advisories - Vulnerability Intelligence

Internet Explorer HTTP Request Smuggling/Splitting Vulnerabilities
Secunia Advisory:	SA29453	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2008-03-24
Last Update:	2008-06-10
Popularity:	7,917 views

Critical:	Less critical
Impact:	Security Bypass Cross Site Scripting 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-2008-1544 CVE-2008-1545

Description: Stefano Di Paola has reported some vulnerabilities in Internet Explorer, which can be exploited by malicious people to conduct HTTP request smuggling/splitting attacks. The problem is that it is possible to modify certain headers via "setRequestHeader()", which can be exploited to e.g. inject arbitrary HTTP requests by setting the "Transfer-Encoding" header to "chunked" or to overwrite certain headers (e.g. "Content-Length", "Host", and "Referer"). The vulnerabilities are reported in version 7.0.5730.11. Other versions may also be affected. Solution: Apply patches. Windows 2000 SP4 with Internet Explorer 5.01 SP4: http://www.microsoft.com/downloads/de...=88990B23-D37F-4D02-A5A3-2EE389ADE53C Windows 2000 SP4 with Internet Explorer 6 SP1: http://www.microsoft.com/downloads/de...=4C47CF8A-8100-4D43-855A-F225A3492B19 Windows XP SP2 with Internet Explorer 6: http://www.microsoft.com/downloads/de...=CC325017-3A48-4475-90E4-0C79A002FCE3 Windows XP SP3 with Internet Explorer 6: http://www.microsoft.com/downloads/de...=CC325017-3A48-4475-90E4-0C79A002FCE3 Windows XP Professional x64 Edition (optionally with SP2) and Internet Explorer 6: http://www.microsoft.com/downloads/de...=C8783CFE-9DA5-4842-AB3A-1E2BE4FAFC47 Windows Server 2003 SP1/SP2 and Internet Explorer 6: http://www.microsoft.com/downloads/de...=286AADA6-A358-41F1-B81A-8DE39B9F908A Windows Server 2003 x64 Edition (optionally with SP2) and Internet Explorer 6: http://www.microsoft.com/downloads/de...=6604569A-3DB0-47E7-BD30-7DFBA8145386 Windows Server 2003 with SP1/SP2 for Itanium-based systems and Internet Explorer 6: http://www.microsoft.com/downloads/de...=0262BEB8-1EB5-4C2D-A50A-0C6C6E0C1F61 Windows XP SP2/SP3 and Internet Explorer 7: http://www.microsoft.com/downloads/de...=FBC31BDE-0BF5-490C-96A8-071310D9464A Windows XP Professional x64 Edition (optionally with SP2) and Internet Explorer 7: http://www.microsoft.com/downloads/de...=19C0CCDC-95C9-4151-96B6-4F49B594EBE0 Windows Server 2003 SP1/SP2 and Internet Explorer 7: http://www.microsoft.com/downloads/de...=A1AE9AD2-8329-4C96-B950-7534B3287EAA Windows Server 2003 x64 Edition (optionally with SP2) and Internet Explorer 7: http://www.microsoft.com/downloads/de...=FB0C70B4-CE9F-43D6-875A-3CFD0D3A2681 Windows Server 2003 with SP1/SP2 for Itanium-based systems and Internet Explorer 7: http://www.microsoft.com/downloads/de...=28D2913C-1C6B-4671-9892-DE08698CD5A6 Windows Vista (optionally with SP1) and Internet Explorer 7: http://www.microsoft.com/downloads/de...=6D68B39D-157F-4C3D-AC76-BC5A9386DB59 Windows Vista x64 Edition (optionally with SP1) and Internet Explorer 7: http://www.microsoft.com/downloads/de...=4CF92235-861E-4B74-BEE3-8E977C8688D9 Windows Server 2008 for 32-bit Systems and Internet Explorer 7: http://www.microsoft.com/downloads/de...=A8922E7E-9264-4E09-B8AD-C5420FED8690 Windows Server 2008 for x64-based systems and Internet Explorer 7: http://www.microsoft.com/downloads/de...=05B0E838-24D7-4387-B069-2604BBCC43B9 Windows Server 2008 for Itanium-based systems and Internet Explorer 7: http://www.microsoft.com/downloads/de...=640E1865-EBCC-4D69-A770-FD360020DA1E Provided and/or discovered by: Stefano Di Paola Changelog: 2008-04-01: Added CVE reference. 2008-06-10: Updated "Solution" section. Original Advisory: MS08-031 (KB950759): http://www.microsoft.com/technet/security/Bulletin/MS08-031.mspx Stefano Di Paola: http://www.mindedsecurity.com/MSA01240108.html http://www.mindedsecurity.com/MSA02240108.html

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