Gauntlet firewall BSDI users could bypass all security rules
| gauntlet-bsdi-bypass (3397) |  Medium Risk |
Description:
Gauntlet firewall BSDI could allow local users and remote non-trusted users, that have routes through the firewall, to bypass all Gauntlet Firewall security rules. An attacker could access the network behind the firewall with no activity appearing in the '/var/log/messages' log file.
Platforms Affected:
- McAfee, Gauntlet Firewall
Remedy:
Apply the patch kernel.BSDI.patch from the Gauntlet Support Web site. See References.
Consequences:
Gain Access
References:
- BugTraq Mailing List, Mon, 18 Oct 1999 12:16:20 -0400, Gauntlet 5.0 BSDI warning at http://archives.neohapsis.com/archives/bugtraq/1999-q3/1314.html.
- BugTraq Mailing List, Tue, 19 Oct 1999 07:44:14 -0700, Re: Gauntlet 5.0 BSDI warning at http://archives.neohapsis.com/archives/bugtraq/1999-q3/1331.html.
- Gauntlet Support FTP site, FTP location for kernel.BSDI.patch at ftp://ftp.nai.com/pub/security/gauntlet/patches/5.0/kernel.BSDI.patch.
- PGP Security Web site, Current Gauntlet 5.0 Patch Status at http://www.pgp.com/naicommon/download/upgrade/patches/patch-gauntlet50unix.asp.
- BID-721: Gauntlet Firewall Rules Bypass Vulnerability
- CVE-1999-1047: When BSDI patches for Gauntlet 5.0 BSDI are installed in a particular order, Gauntlet allows remote attackers to bypass firewall access restrictions, and does not log the activities.
Reported:
Oct 24, 1999
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