Title: Kerio Personal Firewall Replay Attack Vulnerability
Severity: MODERATE
Description:
Kerio Personal Firewall has been reported prone to a replay attack vulnerability.
It has been reported that Kerio Personal Firewall is vulnerable to a replay attack against the authenticated/encrypted channel for remote administration. A remote attacker, who has the ability to capture network traffic destined for the Kerio Personal Firewall, may replay communication data captured from a valid remote Firewall administration session. This condition is reported to be due to a lack of sufficient randomization or serialization implemented on the server. Because of this there is no practical way the Kerio Personal Firewall can distinguish between new and replayed administrative sessions.
An attacker may exploit this vulnerability to capture configuration changes or disable firewall directives and replay the commands at the attackers convenience.
Affected Products:
- Kerio Personal Firewall 2 2.1.0
- Kerio Personal Firewall 2 2.1.1
- Kerio Personal Firewall 2 2.1.2
- Kerio Personal Firewall 2 2.1.3
- Kerio Personal Firewall 2 2.1.4
References:
- Kerio: Kerio Home Page
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