Microsoft IIS ASP Header Denial Of Service Vulnerability

Bugtraq ID:	7733
Class:	Boundary Condition Error
CVE:	CVE-2003-0225
Remote:	Yes
Local:	No
Published:	May 28 2003 12:00AM
Updated:	Jul 11 2009 10:06PM
Credit:	This vulnerability was reported by Microsoft.
Vulnerable:	Microsoft IIS 5.0 - Microsoft Windows 2000 Advanced Server SP2 - Microsoft Windows 2000 Advanced Server SP2 - Microsoft Windows 2000 Advanced Server SP1 - Microsoft Windows 2000 Advanced Server SP1 + Microsoft Windows 2000 Advanced Server + Microsoft Windows 2000 Advanced Server - Microsoft Windows 2000 Datacenter Server SP2 - Microsoft Windows 2000 Datacenter Server SP2 - Microsoft Windows 2000 Datacenter Server SP1 - Microsoft Windows 2000 Datacenter Server SP1 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional SP1 + Microsoft Windows 2000 Professional + Microsoft Windows 2000 Professional - Microsoft Windows 2000 Server SP2 - Microsoft Windows 2000 Server SP2 - Microsoft Windows 2000 Server SP1 - Microsoft Windows 2000 Server SP1 + Microsoft Windows 2000 Server + Microsoft Windows 2000 Server Microsoft IIS 4.0 + Cisco Building Broadband Service Manager (BBSM) 5.0 + Cisco Building Broadband Service Manager (BBSM) 5.0 + Cisco Call Manager 3.0 + Cisco Call Manager 3.0 + Cisco Call Manager 2.0 + Cisco Call Manager 2.0 + Cisco Call Manager 1.0 + Cisco Call Manager 1.0 + Cisco ICS 7750 + Cisco ICS 7750 + Cisco IP/VC 3540 Video Rate Matching Module + Cisco IP/VC 3540 Video Rate Matching Module + Cisco Unity Server 2.4 + Cisco Unity Server 2.4 + Cisco Unity Server 2.3 + Cisco Unity Server 2.3 + Cisco Unity Server 2.2 + Cisco Unity Server 2.2 + Cisco Unity Server 2.0 + Cisco Unity Server 2.0 + Cisco uOne 4.0 + Cisco uOne 4.0 + Cisco uOne 3.0 + Cisco uOne 3.0 + Cisco uOne 2.0 + Cisco uOne 2.0 + Cisco uOne 1.0 + Cisco uOne 1.0 + Hancom Hancom Office 2007 0 + Hancom Hancom Office 2007 0 + Microsoft BackOffice 4.5 + Microsoft BackOffice 4.5 + Microsoft Windows NT 4.0 Option Pack + Microsoft Windows NT 4.0 Option Pack
Not Vulnerable:	Microsoft IIS 6.0 + Microsoft Windows Server 2003 Datacenter Edition + Microsoft Windows Server 2003 Datacenter Edition + Microsoft Windows Server 2003 Datacenter Edition Itanium 0 + Microsoft Windows Server 2003 Datacenter Edition Itanium 0 + Microsoft Windows Server 2003 Enterprise Edition + Microsoft Windows Server 2003 Enterprise Edition + Microsoft Windows Server 2003 Enterprise Edition Itanium 0 + Microsoft Windows Server 2003 Enterprise Edition Itanium 0 + Microsoft Windows Server 2003 Standard Edition + Microsoft Windows Server 2003 Standard Edition + Microsoft Windows Server 2003 Web Edition + Microsoft Windows Server 2003 Web Edition Microsoft IIS 5.1 - Microsoft Windows 2000 Advanced Server SP2 - Microsoft Windows 2000 Advanced Server SP1 - Microsoft Windows 2000 Advanced Server - Microsoft Windows 2000 Datacenter Server SP2 - Microsoft Windows 2000 Datacenter Server SP1 - Microsoft Windows 2000 Datacenter Server - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 2000 Server SP2 - Microsoft Windows 2000 Server SP1 - Microsoft Windows 2000 Server + Microsoft Windows XP 64-bit Edition SP1 + Microsoft Windows XP 64-bit Edition + Microsoft Windows XP 64-bit Edition - Microsoft Windows XP Home SP1 - Microsoft Windows XP Home SP1 - Microsoft Windows XP Home - Microsoft Windows XP Home + Microsoft Windows XP Professional SP1 + Microsoft Windows XP Professional SP1 + Microsoft Windows XP Professional + Microsoft Windows XP Professional

Microsoft IIS ASP Header Denial Of Service Vulnerability

Microsoft IIS is prone to a denial of service condition when overly large ASP headers are processed.

An attacker can exploit this vulnerability to execute a malicious ASP page that generates an overly large header that consumes all memory resources available to the vulnerable IIS process.

This vulnerability was initially described in BID 7728 and is now being assigned its own BID.

Microsoft IIS ASP Header Denial Of Service Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Microsoft IIS ASP Header Denial Of Service Vulnerability

Solution:
Patches available:

There is a dependency associated with this patch. It requires the patch from Microsoft Security Bulletin MS02-050 to be installed. If this patch is installed and MS02-050 is not present, client side certificates will be rejected. This functionality can be restored by installing the MS02-050 patch.


Microsoft IIS 4.0

• Microsoft Q811114
  IIS 4.0 patch to be installed on systems running Windows NT 4.0 Service Pack 6a.
  http://microsoft.com/downloads/details.aspx?FamilyId=1DBC1914-98E9-4DE D-ADBF-E9B374A1F79D&displaylang=en

Microsoft IIS 5.0

• Microsoft Q811114
  IIS 5.0 patch to be installed on systems running Windows 2000 Service Pack 2 or Service Pack 3.
  http://microsoft.com/downloads/details.aspx?FamilyId=2F5D9852-4ADD-44F 8-8715-AC3D7D7D94BF&displaylang=en

Microsoft IIS ASP Header Denial Of Service Vulnerability

References:

• Microsoft Security Bulletin MS02-050 (Microsoft)
  
• Microsoft Security Bulletin MS03-018 (Microsoft)