Check Point Advisories

Microsoft Windows Print Spooler NetShareEnum Buffer Overflow (MS09-022; CVE-2009-0228)

Check Point Reference: CPAI-2009-154
Date Published: 9 Jun 2009
Severity: Critical
Last Updated: Monday 09 September, 2013
Source:
Industry Reference:CVE-2009-0228
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description The Print Spooler service manages the printing process, which includes such tasks as retrieving the location of the correct printer driver, loading that driver, spooling high-level function calls into a print job, and scheduling print jobs. A buffer overflow vulnerability has been reported in Microsoft Windows Print Spooler. The vulnerability is due to a buffer overflow error in the Print Spooler when parsing certain printing data structures. A remote attacker could send a specially crafted NetShareEnum RPC request to a vulnerable server that will cause the target to improperly parse the ShareName on the attacker's print server during enumeration. Successful exploitation of this issue may cause the vulnerable service to crash or allow execution of arbitrary code on the affected system.

Protection Overview

This protection will detect and block malformed NetShareEnum RPC requests sent to the vulnerable service.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75 / R71 / R70 / R65

  1. In the IPS tab, click Protections and find the Microsoft Windows Print Spooler NetShareEnum Buffer Overflow (MS09-022) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  MS-RPC over CIFS Enforcement Violation.
Attack Information:  Microsoft Windows Print Spooler NetShareEnum buffer overflow (MS09-022)

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