Check Point Advisories

Linux Kernel SMB Filesystem smb_receive Transaction2 - Ver2 (CVE-2004-0949)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-2418
Date Published:	28 Dec 2014
Severity:	High
Last Updated:	Sunday 25 November, 2018
Source:
Industry Reference:	CVE-2004-0949
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Multiple vulnerabilities have been reported in the smb_recv_trans2 function call in the samba filesystem (smbfs) in Linux kernel 2.4 and 2.6. Successful exploitation of this vulnerability could allow a remote attacker to read arbitrary kernel information or raise a counter value to an arbitrary number by sending the first part of the fragmented packet multiple times.

Protection Overview

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

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

In the IPS tab, click Protections and find the Linux Kernel SMB Filesystem smb_receive Transaction2 - Ver2 protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Windows SMB Protection Violation.
Attack Information: Linux Kernel SMB Filesystem smb_receive Transaction2 - Ver2