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Cisco PIX 无效 TCP Checksum 拒绝服务漏洞
2005-11-24   


信息提供:

安全公告(或线索)提供热线:51cto.editor@gmail.com

漏洞类别:

设计错误

攻击类型:

远程攻击

发布日期:

2005-11-22

更新日期:

2005-11-22

受影响系统:

Cisco PIX/ASA 7.0.1 .4
Cisco PIX/ASA 7.0
Cisco PIX OS
Cisco PIX Firewall 535
Cisco PIX Firewall 525 6.3
Cisco PIX Firewall 525
Cisco PIX Firewall 520
Cisco PIX Firewall 515E
Cisco PIX Firewall 515
Cisco PIX Firewall 506
Cisco PIX Firewall 501
Cisco PIX Firewall 6.3.3 (133)
Cisco PIX Firewall 6.3.2
Cisco PIX Firewall 6.3.1
Cisco PIX Firewall 6.3 (5)
Cisco PIX Firewall 6.3 (3.109)
Cisco PIX Firewall 6.3 (3.102)
Cisco PIX Firewall 6.3 (3)
Cisco PIX Firewall 6.3 (1)
Cisco PIX Firewall 6.3
Cisco PIX Firewall 6.2.3 (110)
Cisco PIX Firewall 6.2.3
Cisco PIX Firewall 6.2.2 .111
Cisco PIX Firewall 6.2.2
Cisco PIX Firewall 6.2.1
Cisco PIX Firewall 6.2 (3.100)
Cisco PIX Firewall 6.2 (3)
Cisco PIX Firewall 6.2 (2)
Cisco PIX Firewall 6.2 (1)
Cisco PIX Firewall 6.2
Cisco PIX Firewall 6.1.5 (104)
Cisco PIX Firewall 6.1.5
Cisco PIX Firewall 6.1.4
Cisco PIX Firewall 6.1.3
Cisco PIX Firewall 6.1 (5)
Cisco PIX Firewall 6.1 (4)
Cisco PIX Firewall 6.1 (3)
Cisco PIX Firewall 6.1 (2)
Cisco PIX Firewall 6.1 (1)
Cisco PIX Firewall 6.1
+ Cisco PIX Firewall 515
+ Cisco PIX Firewall 520
Cisco PIX Firewall 6.0.4
Cisco PIX Firewall 6.0.3
Cisco PIX Firewall 6.0 (4.101)
Cisco PIX Firewall 6.0 (4)
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 5.3 (3)
Cisco PIX Firewall 5.3 (2)
Cisco PIX Firewall 5.3 (1.200)
Cisco PIX Firewall 5.3 (1)
Cisco PIX Firewall 5.3
+ Cisco PIX Firewall 515
+ Cisco PIX Firewall 520
Cisco PIX Firewall 5.2 (9)
Cisco PIX Firewall 5.2 (7)
Cisco PIX Firewall 5.2 (6)
Cisco PIX Firewall 5.2 (5)
Cisco PIX Firewall 5.2 (3.210)
Cisco PIX Firewall 5.2 (2)
Cisco PIX Firewall 5.2 (1)
Cisco PIX Firewall 5.2
Cisco PIX Firewall 5.1.4
Cisco PIX Firewall 5.1 (4.206)
Cisco PIX Firewall 5.1
+ Cisco PIX Firewall 515
+ Cisco PIX Firewall 520
Cisco PIX Firewall 5.0
+ Cisco PIX Firewall 515
+ Cisco PIX Firewall 520
Cisco PIX Firewall 4.4 (8)
Cisco PIX Firewall 4.4 (7.202)
Cisco PIX Firewall 4.4 (4)
Cisco PIX Firewall 4.4
Cisco PIX Firewall 4.3
Cisco PIX Firewall 4.2.2
Cisco PIX Firewall 4.2.1
Cisco PIX Firewall 4.2 (5)
Cisco PIX Firewall 4.2
Cisco PIX Firewall 4.1.6 b
Cisco PIX Firewall 4.1.6
Cisco PIX Firewall 4.0
Cisco PIX Firewall 3.1
Cisco PIX Firewall 3.0
Cisco PIX Firewall 2.7

安全系统:


漏洞报告人:

"Konstantin V. Gavrilenko"

漏洞描述:

Bugtraq ID: 15525

Cisco PIX 在处理带有无效checksum 的 TCP SYN 包裹时,发生远程拒绝服务漏洞。
这使攻击者可以临时阻断任意TCP服务的网络连接。反复发动这样的攻击将可能导致拒绝服务。

测试方法:


解决方法:

Cisco 已发布 Cisco Bug ID CSCsc14915 to PIX 6.3 和CSCsc16014 to PIX 7.0,详细信息见:



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