Check Point Advisories

Samba smbd read_nttrans_ea_list Infinite Allocation Loop Denial of Service (CVE-2013-4124)

Check Point Reference: CPAI-2013-2892
Date Published: 27 Oct 2013
Severity: High
Last Updated: Wednesday 24 April, 2024
Source: CVE-2013-4124
Protection Provided by:

Security Gateway
R75
Who is Vulnerable? Samba Team Samba 3.5.x prior to 3.5.22
Samba Team Samba 3.6.x prior to 3.6.17
Samba Team Samba prior to 4.0.8
Vulnerability Description A memory exhaustion vulnerability has been reported in Samba server.
Vulnerability DetailsThe vulnerability is due to an infinite loop allocating memory that occurs when processing specially crafted packets. A remote authenticated or guest attacker could exploit this vulnerability by sending specially crafted requests to the target server. Successful exploitation of this vulnerability results in a denial of service condition.

Protection Overview

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

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.

Security Gateway R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Samba smbd read_nttrans_ea_list Infinite Allocation Loop Denial of Service protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: MS-RPC over CIFS Enforcement Violation
Attack Information: Samba smbd read_nttrans_ea_list Infinite Allocation Loop Denial of Service

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