Vulnerability 10327 - CERT Civis.Net

Vulnerability Name:

CCN-10327

Published:

2002-10-07

Updated:

2002-10-07

Summary:

Check Point VPN-1 fails to properly respond to Internet Key Exchange (IKE) Aggressive Mode session requests. If a system is configured to negotiate sessions in a mode other than aggressive, it is still possible for a remote attacker to use SecuRemote or SecureClient's "IKE Aggressive Mode" authentication to bypass security restrictions and establish a session in aggressive mode.

CVSS v3 Severity:

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

Vulnerability Consequences:

Bypass Security

References:

Source: CCN
Type: Check Point Software Web site
Check Point Software Technologies: Support Services

Source: CCN
Type: Check Point Software Technologies Web site
Alerts - IKE Aggressive Mode

Source: CCN
Type: BID-5920
Check Point VPN-1 IKE Aggressive Mode Forcing Vulnerability

Source: CCN
Type: BID-7423
IKE Aggressive Mode Shared Secret Hash Leakage Weakness

Source: XF
Type: UNKNOWN
vpn1-ike-bypass-restrictions(10327)

Vulnerable Configuration:

Configuration CCN 1:

cpe:/a:checkpoint:vpn-1:4.1:sp4:*:*:*:*:*:*

OR cpe:/a:checkpoint:vpn-1:4.1:sp3:*:*:*:*:*:*

OR cpe:/a:checkpoint:vpn-1:4.1:sp2:*:*:*:*:*:*

OR cpe:/a:checkpoint:vpn-1:4.1:sp1:*:*:*:*:*:*

OR cpe:/a:checkpoint:vpn-1:4.1:*:*:*:*:*:*:*

Denotes that component is vulnerable

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