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Samba SRVSVC RPC sec_io_acl Request Handling Heap Buffer Overflow

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Check Point Reference: CPAI-2012-034
Date Published:
Severity:
Source:
Industry Reference(s): CVE-2007-2446
Protection Provided by: Security Gateway
  • R75
Who is Vulnerable?
Samba Team Samba 3.x, 3.0.25rc3 and prior
Vulnerability Description
A heap-based buffer overflow vulnerability exists in the way Samba handles RPC messages.
Vulnerability Details
The vulnerability is due to a boundary error while performing specific RPC operations. Remote unauthenticated attackers can exploit this vulnerability by sending a specially crafted RPC request to the SRVSVC RPC interface. The vulnerability is due to a boundary error while performing specific RPC operations.

Protection Overview
This protection will detect and block attempts to exploit this vulnerability.

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 SRVSVC RPC sec_io_acl Request Handling Heap Buffer Overflow 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 Enforcement Violation
Attack Information: Samba SRVSVC RPC sec_io_acl request handling heap buffer overflow