Vulnerability Name:

CVE-2005-1802 (CCN-20777)

Assigned:2005-05-27
Published:2005-05-27
Updated:2008-09-05
Summary:Nortel VPN Router (aka Contivity) allows remote attackers to cause a denial of service (crash) via an IPsec IKE packet with a malformed ISAKMP header.
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:N/A:L)
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): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2005-1802

Source: CCN
Type: Nortel VPN Web page
VPN Client

Source: CCN
Type: SECTRACK ID: 1014068
Nortel VPN Router Lets Remote Users Deny Service

Source: SECTRACK
Type: UNKNOWN
1014068

Source: MISC
Type: UNKNOWN
http://www.nta-monitor.com/news/vpn-flaws/nortel/vpn-router-dos/

Source: CCN
Type: NTA Web site
NTA News - Nortel VPN Router Malformed Packet DoS Vulnerability

Source: CCN
Type: OSVDB ID: 16918
Nortel VPN Router Malformed IKE Packet DoS

Source: BUGTRAQ
Type: UNKNOWN
20050531 Nortel VPN Router Malformed Packet DoS Vulnerability

Source: BID
Type: Patch, Vendor Advisory
13792

Source: CCN
Type: BID-13792
Nortel Networks Multiple Products Remote Denial of Service Vulnerability

Source: CCN
Type: Nortel Technical Support Web page
Technical Support

Source: XF
Type: UNKNOWN
nortel-vpn-dos(20777)

Vulnerable Configuration:Configuration 1:
  • cpe:/h:nortel:contivity:1000_vpn_switch:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:1500_vpn_switch:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:1600_secure_ip_services_gateway:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:2000_vpn_switch:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:2500_vpn_switch:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:2600_secure_ip_services_gateway:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:4000_vpn_switch:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:4500_secure_ip_services_gateway:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:4600_secure_ip_services_gateway:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_1010:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_1050:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_1100:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_1700:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_1740:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_2700:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_5000:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_600:*:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:nortel:vpn_router_1010:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_1050:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_1100:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_600:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:1600_secure_ip_services_gateway:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_1700:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:2600_secure_ip_services_gateway:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_2700:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:4500_secure_ip_services_gateway:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:4600_secure_ip_services_gateway:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:1000_vpn_switch:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:2000_vpn_switch:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:4000_vpn_switch:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_5000:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:vpn_router_1740:*:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:2500_vpn_switch:*:*:*:*:*:*:*
  • OR cpe:/h:nortel:contivity:1500_vpn_switch:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    nortel contivity 1000_vpn_switch
    nortel contivity 1500_vpn_switch
    nortel contivity 1600_secure_ip_services_gateway
    nortel contivity 2000_vpn_switch
    nortel contivity 2500_vpn_switch
    nortel contivity 2600_secure_ip_services_gateway
    nortel contivity 4000_vpn_switch
    nortel contivity 4500_secure_ip_services_gateway
    nortel contivity 4600_secure_ip_services_gateway
    nortel vpn router 1010 *
    nortel vpn router 1050 *
    nortel vpn router 1100 *
    nortel vpn router 1700 *
    nortel vpn router 1740 *
    nortel vpn router 2700 *
    nortel vpn router 5000 *
    nortel vpn router 600 *
    nortel vpn router 1010 *
    nortel vpn router 1050 *
    nortel vpn router 1100 *
    nortel vpn router 600 *
    nortel contivity 1600_secure_ip_services_gateway
    nortel vpn router 1700 *
    nortel contivity 2600_secure_ip_services_gateway
    nortel vpn router 2700 *
    nortel contivity 4500_secure_ip_services_gateway
    nortel contivity 4600_secure_ip_services_gateway
    nortel contivity 1000_vpn_switch
    nortel contivity 2000_vpn_switch
    nortel contivity 4000_vpn_switch
    nortel vpn router 5000 *
    nortel vpn router 1740 *
    nortel contivity 2500_vpn_switch
    nortel contivity 1500_vpn_switch