Kerio Personal Firewall Stealth Port Scan Unspecified Firewall Bypassing Vulnerability

BID:9258

Info

Kerio Personal Firewall Stealth Port Scan Unspecified Firewall Bypassing Vulnerability

Bugtraq ID: 9258
Class: Design Error
CVE:
Remote: Yes
Local: No
Published: Dec 19 2003 12:00AM
Updated: Dec 19 2003 12:00AM
Credit: Vulnerability announced by Kerio.
Vulnerable: Kerio Personal Firewall 4.0.9
Kerio Personal Firewall 4.0.8
Kerio Personal Firewall 4.0.7
Kerio Personal Firewall 4.0.6
Not Vulnerable: Kerio Personal Firewall 4.0.10

Discussion

Kerio Personal Firewall Stealth Port Scan Unspecified Firewall Bypassing Vulnerability

A problem has been identified in the handling of specific types of system scans by Kerio Personal Firewall. Because of this, it may be possible to circumvent firewall filtering to gain sensitive information about a host.

Exploit / POC

Kerio Personal Firewall Stealth Port Scan Unspecified Firewall Bypassing Vulnerability

There are a number of freely available scanning utilities, such as nmap, which may have functionality to perform scans that will reproduce this issue.

Solution / Fix

Kerio Personal Firewall Stealth Port Scan Unspecified Firewall Bypassing Vulnerability

Solution:
The vendor has released version 4.0.10 to resolve this issue.


Kerio Personal Firewall 4.0.6

Kerio Personal Firewall 4.0.7

Kerio Personal Firewall 4.0.8

Kerio Personal Firewall 4.0.9

References

Kerio Personal Firewall Stealth Port Scan Unspecified Firewall Bypassing Vulnerability

References:

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