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Cisco PIX VPN会话劫持漏洞


发布时间:2002-11-20
更新时间:2002-11-20
严重程度:
威胁程度:普通用户访问权限
错误类型:设计错误
利用方式:服务器模式

BUGTRAQ ID:6211

受影响系统
Cisco PIX Firewall 6.0 (2)
Cisco PIX Firewall 6.0 (1)
Cisco PIX Firewall 6.0
   + Cisco PIX Firewall 515
   + Cisco PIX Firewall 520
Cisco PIX Firewall 6.0.3
Cisco PIX Firewall 6.1 (2)
Cisco PIX Firewall 6.1
   + Cisco PIX Firewall 515
   + Cisco PIX Firewall 520
Cisco PIX Firewall 6.1.3
详细描述
PIX是Cisco公司的一个硬件防火墙。

PIX防火墙在处理VPN会话的时候存在漏洞。当处理初始化联系通知消息(contact notify messages)时,PIX没有删除重复的端与端的ISAKMP SAs,远程攻击者可以利用这个漏洞进行会话劫持攻击,未授权访问私有网络。

攻击者必须得到对等验证密钥来初始化这个攻击。

测试代码


解决方案
Cisco PIX Firewall 6.0 (2):
Cisco Upgrade PIX Firewall 6.0.4
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco Upgrade PIX Firewall 6.2.1
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco PIX Firewall 6.0 (1):
Cisco Upgrade PIX Firewall 6.0.4
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco Upgrade PIX Firewall 6.2.1
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco PIX Firewall 6.0:
Cisco Upgrade PIX Firewall 6.0.4
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco Upgrade PIX Firewall 6.2.1
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco PIX Firewall 6.0.3:
Cisco Upgrade PIX Firewall 6.0.4
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco Upgrade PIX Firewall 6.2.1
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco PIX Firewall 6.1 (2):
Cisco Upgrade PIX Firewall 6.1.4
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco Upgrade PIX Firewall 6.2.1
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco PIX Firewall 6.1:
Cisco Upgrade PIX Firewall 6.1.4
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco Upgrade PIX Firewall 6.2.1
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco PIX Firewall 6.1.3:
Cisco Upgrade PIX Firewall 6.1.4
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix
Cisco Upgrade PIX Firewall 6.2.1
http://www.cisco.com/pcgi-bin/tablebuild.pl/pix

相关信息
参考:http://www.cisco.com/warp/public/707/pix-multiple-vuln-pub.shtml