Microsoft Internet Information Services (IIS) ASP buffer overflow

iis-asp-bo (26796) The risk level is classified as HighHigh Risk

Description:

Microsoft Internet Information Services (IIS) is vulnerable to a buffer overflow, caused by improper bounds checking of Active Server Pages (ASP). By uploading a specially-crafted ASP file to an affected Web server, a remote attacker with valid logon credentials could overflow a buffer and execute arbitrary code on the system, once IIS processes the malicious file.

*CVSS:

Base Score: 4.2
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Required
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 3.1
  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 The original bulletin issued by Microsoft has been superseded.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 MS06-034: Vulnerability in Microsoft Internet Information Services using Active Server Pages Could Lead To Remote Code Execution (917537).
  • 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-2006-135: Windows Security Updates for July 2006 - (MS06-033 - MS06-039)
  • BID-18858: Microsoft IIS ASP Remote Code Execution Vulnerability
  • CVE-2006-0026: Buffer overflow in Microsoft Internet Information Services (IIS) 5.0, 5.1, and 6.0 allows local and possibly remote attackers to execute arbitrary code via crafted Active Server Pages (ASP).
  • OSVDB ID: 27152: Microsoft Windows IIS ASP Page Processing Overflow
  • SA21006: Microsoft Internet Information Services ASP Code Buffer Overflow
  • SECTRACK ID: 1016466: Microsoft Internet Information Server (IIS) Buffer Overflow in Processing ASP Pages Lets Remote Authenticated Users Execute Arbitrary Code
  • US-CERT VU#395588: Microsoft Internet Information Services vulnerable to remote code execution via specially crafted ASP file

Platforms Affected:

  • Microsoft IIS 6.0
  • Microsoft Internet Information Server 5.0
  • Microsoft Internet Information Server 5.1
  • Microsoft Windows 2000 SP4
  • Microsoft Windows 2003 Server x64
  • Microsoft Windows 2003 Server Itanium
  • Microsoft Windows 2003 Server SP1 Itanium
  • Microsoft Windows 2003 Server SP1
  • Microsoft Windows XP x64 Professional
  • Microsoft Windows XP SP1 Professional
  • Microsoft Windows XP SP2 Professional

Reported:

Jul 11, 2006

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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.

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