Vulnerability CVE-2006-4430 - CERT Civis.Net

Vulnerability Name:

CVE-2006-4430 (CCN-28581)

Assigned:

2006-08-20

Published:

2006-08-20

Updated:

2018-10-30

Summary:

The Cisco Network Admission Control (NAC) 3.6.4.1 and earlier allows remote attackers to prevent installation of the Cisco Clean Access (CCA) Agent and bypass local and remote protection mechanisms by modifying (1) the HTTP User-Agent header or (2) the behavior of the TCP/IP stack.
Note: the vendor has disputed the severity of this issue, stating that users cannot bypass authentication mechanisms.

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:L/I:N/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): Low Integrity (I): None Availibility (A): None

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
4.2 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:W/RC:C)

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

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
4.2 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:W/RC:C)

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

Vulnerability Type:

Vulnerability Consequences:

Bypass Security

References:

Source: BUGTRAQ
Type: UNKNOWN
20050822 RE: Cisco Clean Access Agent (Perfigo) bypass

Source: CCN
Type: BugTraq Mailing List, Fri Aug 25 2006 - 19:23:28 CDT
Cisco NAC Appliance Agent Installation Bypass Vulnerability

Source: MITRE
Type: CNA
CVE-2006-4430

Source: CISCO
Type: UNKNOWN
20060822 Response to BugTraq - Cisco Clean Access Agent (Perfigo) Bypass

Source: CISCO
Type: UNKNOWN
20060826 NAC Agent Installation Bypass

Source: CCN
Type: cisco-sr-20060826-nac
Cisco Security Response: NAC Agent Installation Bypass

Source: CCN
Type: OSVDB ID: 30305
Cisco Network Admission Control (NAC) CCA Agent Multiple Method Bypass

Source: BUGTRAQ
Type: UNKNOWN
20050819 Cisco Clean Access Agent (Perfigo) bypass

Source: BUGTRAQ
Type: UNKNOWN
20060826 Cisco NAC Appliance Agent Installation Bypass Vulnerability

Source: BUGTRAQ
Type: UNKNOWN
20060826 Re: Cisco NAC Appliance Agent Installation Bypass Vulnerability

Source: BUGTRAQ
Type: UNKNOWN
20060829 Re: Cisco NAC Appliance Agent Installation Bypass Vulnerability

Source: BID
Type: UNKNOWN
19726

Source: CCN
Type: BID-19726
Cisco NAC Agent Installation Security Bypass Vulnerability

Source: XF
Type: UNKNOWN
cisco-nac-security-bypass(28581)

Vulnerable Configuration:

Configuration 1:

cpe:/a:cisco:network_admission_control:*:*:*:*:*:*:*:* (Version <= 3.6.4.1)

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.3.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.3.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.3.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.3.4:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.3.5:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.3.6:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.3.7:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.3.8:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.3.9:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.4:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.4.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.4.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.4.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.4.4:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.4.5:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.5:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.5(9):*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.5.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.5.2:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.5.3:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.5.4:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.5.5:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.6.0.1:*:*:*:*:*:*:*

OR cpe:/a:cisco:network_admission_control_manager_and_server_system_software:3.6.4.0.1:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:cisco:network_admission_control:3.6.4.1:*:*:*:*:*:*:*

Denotes that component is vulnerable