CVE-2001-0261
CVSS2.1
发布时间 :2001-06-02 00:00:00
修订时间 :2016-10-17 22:10:23
NMCOS    

[原文]Microsoft Windows 2000 Encrypted File System does not properly destroy backups of files that are encrypted, which allows a local attacker to recover the text of encrypted files.


[CNNVD]Windows 2000 EFS临时文件取回漏洞(CNNVD-200106-012)

        Microsoft Windows 2000 Encrypted File System不正确的损坏加密的文件备份,本地攻击者利用该漏洞恢复加密文件的文本。
        

- CVSS (基础分值)

CVSS分值: 2.1 [轻微(LOW)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: NONE [不会对系统完整性产生影响]
可用性影响: NONE [对系统可用性无影响]
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)

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-2001-0261
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2001-0261
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200106-012
(官方数据源) CNNVD

- 其它链接及资源

http://marc.info/?l=bugtraq&m=97992179925715&w=2
(UNKNOWN)  BUGTRAQ  20010119 BugTraq: EFS Win 2000 flaw
http://marc.info/?l=bugtraq&m=98027311214976&w=2
(UNKNOWN)  BUGTRAQ  20010123 Reply to EFS note on Bugtraq
http://www.securityfocus.com/bid/2243
(VENDOR_ADVISORY)  BID  2243
http://xforce.iss.net/static/5973.php
(VENDOR_ADVISORY)  XF  win2k-efs-recover-data

- 漏洞信息

Windows 2000 EFS临时文件取回漏洞
低危 设计错误
2001-06-02 00:00:00 2005-10-20 00:00:00
本地  
        Microsoft Windows 2000 Encrypted File System不正确的损坏加密的文件备份,本地攻击者利用该漏洞恢复加密文件的文本。
        

- 公告与补丁

        Microsoft has released a tool (Cipher.exe) which will assist in the removal of deleted data on the hard disk:
        http://support.microsoft.com/support/kb/articles/Q298/0/09.ASP

- 漏洞信息

59509
Microsoft Windows 2000 Encrypted File System Cleartext Backup File Local Disclosure
Local Access Required Cryptographic, Information Disclosure
Loss of Confidentiality
Exploit Public

- 漏洞描述

Unknown or Incomplete

- 时间线

2001-01-19 Unknow
Unknow Unknow

- 解决方案

Unknown or Incomplete

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

Windows 2000 EFS Temporary File Retrieval Vulnerability
Design Error 2243
No Yes
2001-01-19 12:00:00 2009-07-11 04:46:00
This vulnerability was first announced by Rickard Berglind <Rickard.Berglind@eiknes.se> on January 19, 2001 via Bugtraq.

- 受影响的程序版本

Microsoft Windows 2000 Terminal Services SP2
+ Microsoft Windows 2000 Advanced Server SP2
+ Microsoft Windows 2000 Datacenter Server SP2
+ Microsoft Windows 2000 Server SP2
Microsoft Windows 2000 Terminal Services SP1
+ Microsoft Windows 2000 Advanced Server SP1
+ Microsoft Windows 2000 Datacenter Server SP1
+ Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Terminal Services
+ Microsoft Windows 2000 Advanced Server
+ Microsoft Windows 2000 Datacenter Server
+ Microsoft Windows 2000 Server
Microsoft Windows 2000 Server SP2
Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Server
+ Avaya DefinityOne Media Servers
+ Avaya IP600 Media Servers
+ Avaya S3400 Message Application Server 0
+ Avaya S8100 Media Servers 0
Microsoft Windows 2000 Professional SP2
Microsoft Windows 2000 Professional SP1
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Datacenter Server SP2
Microsoft Windows 2000 Datacenter Server SP1
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Advanced Server SP2
Microsoft Windows 2000 Advanced Server SP1
Microsoft Windows 2000 Advanced Server

- 漏洞讨论

EFS is the encrypted file system package designed to secure sensitive information. It is included with the Windows 2000 Operating System, distributed and maintained by Microsoft Corporation.

A problem in the package could allow the recovery of sensitive data encrypted by the EFS. When the file is selected for encryption, and backup copy of the file is moved into the temporary directory using the file name efs0.tmp. The data from this file is taken and encrypted using EFS, with the backup file being deleted after the encryption process is performed. However, after the file is encrypted and the file is deleted, the blocks in the file system are never cleared, thus making it possible for a any user on the local host to access the data of the encrypted file, which falls outside of the constrains of access control imposed by the Operating System. This makes it possible for a malicious user to recover sensitive data encrypted by EFS.

- 漏洞利用

Currently the SecurityFocus staff are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: vuldb@securityfocus.com.

- 解决方案

Microsoft has released a tool (Cipher.exe) which will assist in the removal of deleted data on the hard disk:

http://support.microsoft.com/support/kb/articles/Q298/0/09.ASP

- 相关参考

 

 

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