CVE-2001-0862
CVSS7.5
发布时间 :2001-12-06 00:00:00
修订时间 :2008-09-05 16:25:06
NMCO    

[原文]Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not block non-initial packet fragments, which allows remote attackers to bypass the ACL.


[CNNVD]Cisco访问控制列表碎片非阻塞漏洞(CNNVD-200112-017)

        基于Engine 2的带IOS 12.0和线路卡的Cisco 12000版本不能使non-initial数据包碎片成块。远程攻击者绕过ACL。

- 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)

产品及版本信息(CPE)暂不可用

- OVAL (用于检测的技术细节)

oval:org.mitre.oval:def:5659Cisco IOS 12.0 ACL Denial of Service Vulnerability
*OVAL详细的描述了检测该漏洞的方法,你可以从相关的OVAL定义中找到更多检测该漏洞的技术细节。

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2001-0862
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2001-0862
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200112-017
(官方数据源) CNNVD

- 其它链接及资源

http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml
(VENDOR_ADVISORY)  CISCO  20011114 Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router
http://xforce.iss.net/static/7550.php
(UNKNOWN)  XF  cisco-acl-noninital-dos(7550)
http://www.securityfocus.com/bid/3535
(UNKNOWN)  BID  3535
http://www.osvdb.org/1985
(UNKNOWN)  OSVDB  1985
http://www.ciac.org/ciac/bulletins/m-018.shtml
(UNKNOWN)  CIAC  M-018

- 漏洞信息

Cisco访问控制列表碎片非阻塞漏洞
高危 设计错误
2001-12-06 00:00:00 2005-05-02 00:00:00
远程  
        基于Engine 2的带IOS 12.0和线路卡的Cisco 12000版本不能使non-initial数据包碎片成块。远程攻击者绕过ACL。

- 公告与补丁

        Vendor supplied fixes are available.
        Cisco IOS 12.0 S
        

  •         Cisco IOS 12.0(10.1)S
            

  •         

- 漏洞信息

1985
Cisco 12000 Series Router Non-Initial Packet Fragment ACL Bypass

- 漏洞描述

Cisco IOS on 12000 series routers contains a flaw that may allow a malicious user to bypass access control lists. The issue is triggered because IOS does not block non-initial fragments of a packet. It is possible that the flaw may allow unauthorized traffic to traverse the network.

- 时间线

2001-11-14 2001-11-14
Unknow Unknow

- 解决方案

Upgrade to version indicated by Cisco product matrix, as it has been reported to fix this vulnerability. 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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