Microsoft IIS HTML encoded ASP code execution

iis-htmlencode-code-execution (39230) The risk level is classified as HighHigh Risk

Description:

Microsoft Internet Information Services (IIS) could allow a remote attacker to execute arbitrary code on the system, caused by improper handling of HTML encoded ASP pages by the HTMLEncode function. By passing malformed input to an ASP page hosted on a vulnerable installation of IIS, a remote attacker could exploit this vulnerability to execute arbitrary code on the system with the privileges of the Network Service account.

*CVSS:

Base Score: 7.5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.5
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.

— OR —

Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superseded.

References:

  • Microsoft Security Bulletin MS08-006: Vulnerability in Internet Information Services Could Allow Remote Code Execution (942830).
  • Microsoft Security Bulletin MS10-065: Vulnerabilities in Microsoft Internet Information Services (IIS) Could Allow Remote Code Execution (2267960).
  • ASA-2008-066: MS08-006 Vulnerability in Internet Information Services Could Allow Remote Code Execution (942830)
  • BID-27676: Microsoft Internet Information Services ASP Remote Code Execution Vulnerability
  • CVE-2008-0075: Unspecified vulnerability in Microsoft Internet Information Services (IIS) 5.1 through 6.0 allows remote attackers to execute arbitrary code via crafted inputs to ASP pages.
  • SA28893: Microsoft Internet Information Services Code Execution Vulnerability
  • SECTRACK ID: 1019385: Microsoft Internet Information Services Error in Processing ASP Page Input Lets Remote Users Execute Arbitrary Code
  • VUPEN/ADV-2008-0508: Microsoft Internet Information Services Remote Code Execution (MS08-006)

Platforms Affected:

  • Microsoft IIS 6.0
  • Microsoft Internet Information Server 5.1
  • Microsoft Windows 2003 Server SP1
  • Microsoft Windows 2003 Server x64
  • Microsoft Windows 2003 Server SP1 Itanium
  • Microsoft Windows Server 2003 SP2
  • Microsoft Windows Server 2003 SP2 Itanium
  • Microsoft Windows Server 2003 SP2 x64
  • Microsoft Windows XP SP2 x64 Professional
  • Microsoft Windows XP x64 Professional
  • Microsoft Windows XP SP2 Professional

Reported:

Feb 12, 2008

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For corrections or additions please email xforce@iss.net

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

About IBM Internet Security Systems

IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.