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Samba DCE RPC IDL Parser Out-of-bounds Array Access (CVE-2012-1182)

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Check Point Reference: CPAI-2012-317
Date Published:
Severity:
Source: Samba Advisory
Industry Reference(s): CVE-2012-1182
Protection Provided by: Security Gateway
  • R75
Who is Vulnerable?
Samba Team Samba 3.4.x prior to 3.4.16
Samba Team Samba 3.5.x prior to 3.5.14
Samba Team Samba 3.6.x prior to 3.6.4
Vulnerability Description
An out-of-bounds array access vulnerability has been reported in Samba.
Vulnerability Details
The vulnerability is due to an error in the RPC code generator, resulting in a heap memory corruption. A remote attacker can exploit this issue by sending specially crafted SMB traffic to an affected server. Successful exploitation could allow an attacker to execute arbitrary code in the security context of the logged-on user.

Protection Overview
This protection will detect and block malicious SMB traffic.

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

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway R75 / R71 / R70

How Can I Protect My Network?

  1. In the IPS tab, click Protections and find the Samba DCE RPC IDL Parser Out-of-bounds Array Access protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:
Attack Name: MS-RPC over CIFS Enforcement Violation
Attack Information: Samba DCE RPC IDL Parser Out-of-bounds Array Access