Microsoft IIS out-of-process applications could be used to gain elevated privileges

iis-outofprocess-privilege-elevation (10502) The risk level is classified as MediumMedium Risk

Description:

Microsoft Internet Information Services (IIS) could allow a remote attacker to gain elevated privileges, caused by a vulnerability that can occur when the IIS server is configured to execute applications out of process, which means that they would not be executed within the IIS process itself. This vulnerability could allow a remote attacker with load and execute permissions on the IIS server to load a malicious application on the server that could possibly be executed with LocalSystem privileges.


Consequences:

Gain Privileges

Remedy:

Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS03-018. See References.

Note: Microsoft originally provided a patch for this vulnerability in MS02-062, but it was superseded by the patch released with MS03-018.

References:

Platforms Affected:

  • Microsoft Internet Information Server 4.0
  • Microsoft Internet Information Server 5.0
  • Microsoft Internet Information Server 5.1

Reported:

Oct 30, 2002

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