The design of the Internet Key Exchange (IKE) protocol, when using Aggressive Mode for shared secret authentication, does not encrypt initiator or responder identities during negotiation, which may allow remote malicious users to determine valid usernames by (1) monitoring responses before the password is supplied or (2) sniffing, as originally reported for FireWall-1 SecuRemote.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
checkpoint vpn-1 firewall-1 4.0 |
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checkpoint vpn-1 firewall-1 4.1 |
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