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CheckPoint Firewall - SecuRemote Hostname and SmartCenter 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: 

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and external penetration testing, vulnerability auditing and wireless 
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We can be found at http://www.osisecurity.com.au/ ​
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