Check Point FireWall-1 CONNECT allows attacker to bypass firewall restrictions
| fw1-connect-bypass-restrictions (8239) |  Medium Risk |
Description:
Check Point FireWall-1 could allow a remote user to bypass firewall restrictions. If a remote attacker has access to a HTTP proxy server, the attacker can then connect to a restricted server using the "CONNECT" method. Note: The firewall is vulnerable only if the firewall module has access on the restricted server and "CONNECT" is enabled.
Note: This vulnerability also affects CacheFlow CacheOS.
Platforms Affected:
- Alabanza, Alabanza
- BlueCoat, CacheOS 4.0.14
- BlueCoat, CacheOS 4.1.10016
- CheckPoint, FireWall-1 4.1 SP5
Remedy:
No remedy available as of November 22, 2008.
Consequences:
Bypass Security
References:
- BugTraq Mailing List, Mon Feb 18 2002 - 18:09:59 CST, UPDATE: [wcolburn@nmt.edu: SMTP relay through checkpoint firewall] at http://archives.neohapsis.com/archives/bugtraq/2002-02/0198.html.
- BugTraq Mailing List, Tue Feb 19 2002 - 09:05:22 CST, CheckPoint FW1 HTTP Security Hole at http://archives.neohapsis.com/archives/bugtraq/2002-02/0197.html.
- BugTraq Mailing List, Tue Feb 19 2002 - 16:19:50 CST, UPDATE: [wcolburn@nmt.edu: SMTP relay through checkpoint firewall] at http://archives.neohapsis.com/archives/bugtraq/2002-02/0213.html.
- BugTraq Mailing List, Tue Feb 19 2002 - 16:50:13 CST, Re: UPDATE: [wcolburn@nmt.edu: SMTP relay through checkpoint firewall] at http://archives.neohapsis.com/archives/bugtraq/2002-02/0222.html.
- BID-4131: Multiple Vendor HTTP CONNECT TCP Tunnel Vulnerability
- BID-4143: CacheFlow CacheOS HTTP CONNECT TCP Tunnel Vulnerability
- US-CERT VU#150227: HTTP proxy default configurations allow arbitrary TCP connections
Reported:
Feb 19, 2002
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