CVE-2001-0427
CVSS7.1
发布时间 :2001-06-18 00:00:00
修订时间 :2008-09-05 16:24:05
NMCO    

[原文]Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via a flood of invalid login requests to (1) the SSL service, or (2) the telnet service, which do not properly disconnect the user after several failed login attempts.


[CNNVD]Cisco VPN 3000集中器服务拒绝漏洞(CNNVD-200106-090)

        Cisco VPN 3000系列2.5.2(F)之前版本的集中器存在漏洞。远程攻击者可以借助(1)SSL服务或(2)远程登录服务的大批无效登录请求导致服务拒绝,该漏洞在几个失败登录尝试后正确断开用户。

- CVSS (基础分值)

CVSS分值: 7.1 [严重(HIGH)]
机密性影响: NONE [对系统的机密性无影响]
完整性影响: NONE [不会对系统完整性产生影响]
可用性影响: COMPLETE [可能导致系统完全宕机]
攻击复杂度: MEDIUM [漏洞利用存在一定的访问条件]
攻击向量: NETWORK [攻击者不需要获取内网访问权或本地访问权]
身份认证: NONE [漏洞利用无需身份认证]

- CWE (弱点类目)

CWE-20 [输入验证不恰当]

- CPE (受影响的平台与产品)

cpe:/h:cisco:vpn_3005_concentratorCisco VPN 3005 Concentrator
cpe:/h:cisco:vpn_3030_concentatorCisco VPN 3030 Concentator
cpe:/h:cisco:vpn_3000_concentratorCisco VPN 3000 Concentrator
cpe:/h:cisco:vpn_3080_concentratorCisco VPN 3080 Concentrator
cpe:/h:cisco:vpn_3060_concentratorCisco VPN 3060 Concentrator
cpe:/h:cisco:vpn_3015_concentratorCisco VPN 3015 Concentrator

- 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-2001-0427
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2001-0427
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200106-090
(官方数据源) CNNVD

- 其它链接及资源

http://www.cisco.com/warp/public/707/vpn3k-telnet-vuln-pub.shtml
(VENDOR_ADVISORY)  CISCO  20010328 VPN3000 Concentrator TELNET Vulnerability
http://xforce.iss.net/static/6298.php
(UNKNOWN)  XF  cisco-vpn-telnet-dos(6298)
http://www.osvdb.org/5643
(UNKNOWN)  OSVDB  5643

- 漏洞信息

Cisco VPN 3000集中器服务拒绝漏洞
高危 未知
2001-06-18 00:00:00 2006-09-22 00:00:00
远程  
        Cisco VPN 3000系列2.5.2(F)之前版本的集中器存在漏洞。远程攻击者可以借助(1)SSL服务或(2)远程登录服务的大批无效登录请求导致服务拒绝,该漏洞在几个失败登录尝试后正确断开用户。

- 公告与补丁

        

- 漏洞信息

5643
Cisco VPN Concentrator Invalid Login DoS
Remote / Network Access Denial of Service
Loss of Availability
Exploit Public

- 漏洞描述

Cisco VPN 3000 series concentrators contain a flaw that may allow a remote denial of service. The issue is triggered when the SSL or regular telnet session does not disconnect after repeated failed attempts and the system keeps trying to interpret the incoming data causing a shortage of memory on the system resulting in a reboot, and will result in loss of availability for the service.

- 时间线

2001-03-28 Unknow
2001-03-28 Unknow

- 解决方案

Upgrade to version 2.5.2(F) or higher, 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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