Moderate

CVE-2002-1623 - Unspecified vulnerability in Checkpoint VPN-1 Firewall-1

Publication: 2002-12-31
Summary

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 attackers to determine valid usernames by (1) monitoring responses before the password is supplied or (2) sniffing, as originally reported for FireWall-1 SecuRemote.

Risk level (CVSS 5)

Moderate

5.0

Access Vector

  • Network
  • Adjacent Network
  • Local

Access Complexity

  • Low
  • Medium
  • High

Authentication

  • None
  • Single
  • Multiple

Confident. Impact

  • Complete
  • Partial
  • None

Integrity Impact

  • Complete
  • Partial
  • None

Affected Products

  • Checkpoint VPN-1 Firewall-1 4.0
  • Checkpoint VPN-1 Firewall-1 4.1