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Category:   Application (Firewall)  >   FireWall-1/VPN-1 Vendors:   Check Point
FireWall-1/VPN-1 Discloses Hostname and Management Station Hostname
SecurityTracker Alert ID:  1026786
SecurityTracker URL:  http://securitytracker.com/id/1026786
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Mar 12 2012
Impact:   Disclosure of system information
Exploit Included:  Yes  
Version(s): NGX R65, R71; possibly others
Description:   A vulnerability was reported in FireWall-1/VPN-1. A remote user can determine the installation path.

A remote user can send a topology request to the VPN SecuRemote service on TCP port 264 to firewall hostname name and the logging or management station hostname.

The vendor was notified on December 23, 2011, without response.

The original advisory is available at:

http://www.osisecurity.com.au/advisories/checkpoint-firewall-securemote-hostname-information-disclosure

Patrick Webster of OSI Security reported this vulnerability.

Impact:   A remote user can determine hostnames.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.checkpoint.com/ (Links to External Site)
Cause:   Access control error

Message History:   None.


 Source Message Contents

Subject:  OSI Security: CheckPoint Firewall VPN - Information Disclosure

CheckPoint Firewall VPN1 - Information Disclosure Vulnerability

http://www.osisecurity.com.au/advisories/checkpoint-firewall-securemote-hostname-information-disclosure

[ Note: this is essentially a feature, but thought it may be useful
for pen testers when deciding which system to attack. ]

Release Date:
12-Mar-2012

Software:
CheckPoint Firewall / VPN-1
http://www.checkpoint.com/

Versions tested:
NGX R65, R71. Other versions untested but likely affected.

Vulnerability discovered:

By sending a pre-authentication topology request to the VPN SecuRemote
service, it is possible to obtain the firewall hostname name and
logging or management station (such as SmartCenter) host name.

Vulnerability impact:

Low - Information disclosure potentially reveals the client naming
scheme and the firewall management station hostname. Allows for
specifically targeting attacks towards the enterprise firewall
management server i.e. SmartCenter.

Vulnerability information:

By sending a certain query to the port 264/TCP on CheckPoint
Firewall-1, the hostname is revealed. A Metasploit module is available
to test for this vulnerability.

Example:

msf auxiliary(checkpoint_hostname) > set RHOST A.B.C.D
msf auxiliary(checkpoint_hostname) > run

[*] Attempting to contact Checkpoint FW1 SecuRemote Topology service...
[+] Appears to be a CheckPoint Firewall...
[+] Firewall Host: CPSYDFW1
[+] SmartCenter Host: CPSYDMGMTSVR
[*] Auxiliary module execution completed

Recommendation:

None at this time.

Workaround:

N/A.

Credit:
This vulnerability was disclosed by Patrick Webster.

Exploit:

A metasploit module is available here:

http://www.metasploit.com/modules/auxiliary/gather/checkpoint_hostname

Disclosure timeline:
14-Dec-2011 - Discovered during audit.
21-Dec-2011 - Added auxiliary module to the Metasploit Framework.
23-Dec-2011 - Notified vendor. No response.
12-Mar-2012 - Disclosure.

About OSI Security:

OSI Security is an independent network and computer security auditing
and consulting company based in Sydney, Australia. We provide internal
and external penetration testing, vulnerability auditing and wireless
site audits, vendor product assessments, secure network design,
forensics and risk mitigation services.

We can be found at http://www.osisecurity.com.au/
 
 


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