Microsoft Windows I2O Utility Filter driver (i2omgmt.sys) code execution

win-i2omgmt-code-execution (42358) The risk level is classified as HighHigh Risk

Description:

Microsoft Windows could allow a local attacker to execute arbitrary code on the system, caused by an error in the I2O Utility Filter driver (i2omgmt.sys) IOCTL handler and insecure permissions on \\.\I2OExc device interface. An attacker could exploit this vulnerability using a DeviceObject pointer to execute arbitrary code with kernel privileges or cause the application to crash.

Platforms Affected:

  • Microsoft, Windows XP

Remedy:

Refer to Microsoft KB936929 for patch, upgrade or suggested workaround information. See References.

Consequences:

Gain Privileges

References:

  • iDefense Labs PUBLIC ADVISORY: 05.12.08, Microsoft Windows I2O Filter Utility Driver (i2omgmt.sys) Local Privilege Escalation Vulnerability at http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=699.
  • Microsoft KB936929, Release notes for Windows XP Service Pack 3 at http://support.microsoft.com/?kbid=936929.
  • BID-29171: Microsoft Windows Intelligent Input/Output (I2O) Multiple Local Privilege Escalation Vulnerabilities
  • CVE-2008-0322: The I2O Utility Filter driver (i2omgmt.sys) 5.1.2600.2180 for Microsoft Windows XP sets Everyone/Write permissions for the \\.\I2OExc device interface, which allows local users to gain privileges. NOTE: this issue can be leveraged to overwrite arbitrary memory and execute code via an IOCTL call with a crafted DeviceObject pointer.
  • FrSIRT/ADV-2008-1476: Microsoft Windows XP I2O Filter Privilege Escalation Vulnerability
  • SA30203: Microsoft Windows XP I2O Utility Filter Driver Privilege Escalation
  • SECTRACK ID: 1020006: Microsoft Windows XP 'i2omgmt.sys' Input Validation Flaw Lets Local Users Gain Elevated Privileges

Reported:

May 12, 2008

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