Microsoft Windows User32.dll ListBox and ComboBox controls buffer overflow

win-user32-control-bo (13424) The risk level is classified as HighHigh Risk

Description:

Microsoft Windows is vulnerable to a buffer overflow in a function in the User32.dll file, caused by improper validation of Windows messages. This vulnerable function is called by both the ListBox and ComboBox controls. By running a program that sends a specially-crafted Windows message to an application that uses the ListBox or ComboBox control, a local attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges.

Platforms Affected:

  • Microsoft, Windows 2000 SP4
  • Microsoft, Windows 2003 Server
  • Microsoft, Windows NT 4.0 Workstation
  • Microsoft, Windows NT 4.0 Terminal Server
  • Microsoft, Windows NT 4.0
  • Microsoft, Windows NT 4.0 Server
  • Microsoft, Windows XP

Remedy:

For Windows XP:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS05-018. See References.

Note: Microsoft originally provided a patch for this vulnerability in MS03-045, but it was superseded by the patch released with MS05-002, which was then superseded by the patch released with MS05-18.

For Windows XP SP1:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS05-053. See References.

Microsoft originally provided a patch for this vulnerability in MS03-045, but it was superseded by the patch released with MS05-002, which was then superseded by the patch released with MS05-053.

For Windows 2000:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS05-018. See References.

Note: Microsoft originally provided a patch for this vulnerability in MS03-045, but it has been superseded by the patch released with MS04-031. Microsoft is reporting that the patch released with MS03-045 has also been superseded by the patch released with MS04-032. The patches released with MS03-045 and MS05-002 have been superseded by the patch released with MS05-018. See References.

For Windows NT 4.0:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS05-002. See References.

Microsoft originally provided a patch for this vulnerability in MS03-045, but it was superseded by the patch released with MS05-002.

For Windows Server 2003:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS05-018. See References.

Note: Microsoft originally provided a patch for this vulnerability in MS03-045, but it was superseded by the patch released with MS05-002, and then superseded by the patch released with MS05-018. Microsoft is also reporting that MS05-002 has been superseded by the patch released with MS07-017. See References.

Consequences:

Gain Privileges

References:

Reported:

Oct 15, 2003

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