CVE-1999-1464
CVSS7.5
发布时间 :1999-12-31 00:00:00
修订时间 :2008-09-05 16:19:35
NMCO    

[原文]Vulnerability in Cisco IOS 11.1CC and 11.1CT with distributed fast switching (DFS) enabled allows remote attackers to bypass certain access control lists when the router switches traffic from a DFS-enabled interface to an interface that does not have DFS enabled, as described by Cisco bug CSCdk35564.


[CNNVD]Cisco IOS访问控制漏洞(CNNVD-199912-126)

        启动离散快速变换(DFS)的Cisco IOS 11.1CC 及 11.1CT存在访问控制漏洞。远程攻击者在路由交换器从一个启动了DFS的接口到一个未启动DFS的接口传输时绕过特定的访问控制列表,该漏洞也被称作Cisco漏洞CSCdk35564。

- CVSS (基础分值)

CVSS分值: 7.5 [严重(HIGH)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: PARTIAL [可能会导致系统文件被修改]
可用性影响: PARTIAL [可能会导致性能下降或中断资源访问]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: [--]
身份认证: NONE [漏洞利用无需身份认证]

- CPE (受影响的平台与产品)

cpe:/o:cisco:ios:11.1ccCisco IOS 11.1CC
cpe:/o:cisco:ios:11.1ctCisco IOS 11.1CT

- OVAL (用于检测的技术细节)

未找到相关OVAL定义

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-1999-1464
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-1999-1464
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-199912-126
(官方数据源) CNNVD

- 其它链接及资源

http://xforce.iss.net/static/1401.php
(VENDOR_ADVISORY)  XF  cisco-acl-leakage(1401)
http://www.cisco.com/warp/public/770/iosdfsacl-pub.shtml
(VENDOR_ADVISORY)  CISCO  19981105 Cisco IOS DFS Access List Leakage
http://ciac.llnl.gov/ciac/bulletins/j-016.shtml
(VENDOR_ADVISORY)  CIAC  J-016

- 漏洞信息

Cisco IOS访问控制漏洞
高危 未知
1999-12-31 00:00:00 2005-10-20 00:00:00
远程  
        启动离散快速变换(DFS)的Cisco IOS 11.1CC 及 11.1CT存在访问控制漏洞。远程攻击者在路由交换器从一个启动了DFS的接口到一个未启动DFS的接口传输时绕过特定的访问控制列表,该漏洞也被称作Cisco漏洞CSCdk35564。

- 公告与补丁

        

- 漏洞信息

8800
Cisco IOS DFS Interface Switch Access Control Bypass
Remote / Network Access Infrastructure
Loss of Integrity

- 漏洞描述

Cisco IOS contains a flaw that may allow a malicious user to send packets or fragments of packets to an interface even when an access control list prohibits such behaviour. The issue is triggered when distributed fast switching is enabled. It is possible that the flaw may allow traffic which ought to be prohibited by ACL to transit from a DFS-enabled input interface to an output interface that does not have DFS enabled, thereby resulting in a loss of integrity.

- 时间线

1998-11-05 Unknow
Unknow Unknow

- 解决方案

Upgrade to the version appropriate for your installation, as outlined in the vulnerable version matrix provided by Cisco. An upgrade is required as there are no known workarounds.

- 相关参考

- 漏洞作者

Unknown or Incomplete
 

 

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