Check point Firewall-1/VPN-1 up to 4.0 IKE Aggressive Mode missing encryption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability was found in Check point Firewall-1 and VPN-1 up to 4.0 (Firewall Software). It has been rated as problematic. This issue affects some unknown processing of the component IKE Aggressive Mode. The manipulation with an unknown input leads to a missing encryption vulnerability. Using CWE to declare the problem leads to CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. Impacted is confidentiality. The summary by CVE is:
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.
The bug was discovered 09/03/2002. The weakness was disclosed 12/31/2002 as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. The identification of this vulnerability is CVE-2002-1623 since 03/26/2005. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.
The vulnerability was handled as a non-public zero-day exploit for at least 119 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 62694 (Internet Key Exchange (IKE) Aggressive Mode with Pre-Shared Key), which helps to determine the existence of the flaw in a target environment. It is assigned to the family General and running in the context r.
Upgrading to version 4.1 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (10034) and Tenable (62694).
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Missing encryptionCWE: CWE-311 / CWE-310
ATT&CK: T1600
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 62694
Nessus Name: Internet Key Exchange (IKE) Aggressive Mode with Pre-Shared Key
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Firewall-1/VPN-1 4.1
McAfee IPS: 🔍
McAfee IPS Version: 🔍
Timeline
09/03/2002 🔍12/31/2002 🔍
12/31/2002 🔍
12/31/2002 🔍
03/26/2005 🔍
10/23/2008 🔍
10/24/2012 🔍
08/03/2014 🔍
08/19/2019 🔍
Sources
Vendor: checkpoint.comAdvisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2002-1623 (🔍)
X-Force: 10034 - Check Point FireWall-1/VPN-1 SecuRemote/SecureClient IKE Aggressive Mode username enumeration
Vulnerability Center: 19846 - Check Point VPN-1 and FireWall-1 IKE Usernames Disclosure Vulnerability, Medium
SecurityFocus: 5607
OSVDB: 3820 - Check Point Firewall-1 SecuRemote IKE Username Guessing Vulnerability
Entry
Created: 08/03/2014 19:41Updated: 08/19/2019 21:50
Changes: 08/03/2014 19:41 (62), 08/19/2019 21:50 (13)
Complete: 🔍
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