CVE-2000-0176
CVSS5.0
发布时间 :2000-02-29 00:00:00
修订时间 :2008-09-10 15:03:09
NMCOS    

[原文]The default configuration of Serv-U 2.5d and earlier allows remote attackers to determine the real pathname of the server by requesting a URL for a directory or file that does not exist.


[CNNVD]Serv-U FTP 服务器路径泄漏漏洞(CNNVD-200002-085)

        Serv-U 2.5d和更早版本的默认配置存在漏洞。远程攻击者通过请求不存在的目录或文件的URL确定服务器的真实路径名。

- CVSS (基础分值)

CVSS分值: 5 [中等(MEDIUM)]
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: [--]
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:/a:cat_soft:serv-u:2.4
cpe:/a:cat_soft:serv-u:2.5a
cpe:/a:cat_soft:serv-u:2.5c
cpe:/a:cat_soft:serv-u:2.5d
cpe:/a:cat_soft:serv-u:2.5b
cpe:/a:cat_soft:serv-u:2.5

- 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-2000-0176
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2000-0176
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200002-085
(官方数据源) CNNVD

- 其它链接及资源

http://www.securityfocus.com/bid/1016
(VENDOR_ADVISORY)  BID  1016
http://archives.neohapsis.com/archives/bugtraq/2000-02/0417.html
(UNKNOWN)  BUGTRAQ  20000228 Serv-U FTP-Server v2.4a showing real path

- 漏洞信息

Serv-U FTP 服务器路径泄漏漏洞
中危 设计错误
2000-02-29 00:00:00 2005-10-20 00:00:00
远程※本地  
        Serv-U 2.5d和更早版本的默认配置存在漏洞。远程攻击者通过请求不存在的目录或文件的URL确定服务器的真实路径名。

- 公告与补丁

        There is an option to change the messages to a less informative format.
        Directions for version 2.5b:
        Start the user or Group Manager. Select a user or group. Click the 'Misc.' button and the second checkbox is 'Show path relative to homedir'. Enabling this causes the server to give out messages like:
        550 /nonexist: No such file or directory.
         and
         250 Directory changed to /exist
        Note that this has to be done for each user or group.

- 漏洞信息

13632
Serv-U FTP Server Invalid URL Request Path Disclosure
Remote / Network Access Information Disclosure
Loss of Confidentiality Workaround

- 漏洞描述

- 时间线

2000-02-28 Unknow
Unknow Unknow

- 解决方案

Products

Unknown or Incomplete

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

Serv-U FTP Server Path Disclosure Vulnerability
Design Error 1016
Yes Yes
2000-02-29 12:00:00 2009-07-11 01:56:00
Posted to bugtraq by Berk Ulsoy <berk@mutek.org.tr> on February 29, 2000.

- 受影响的程序版本

Cat Soft Serv-U 2.5 d
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows NT 4.0
Cat Soft Serv-U 2.5 c
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows NT 4.0
Cat Soft Serv-U 2.5 b
- Microsoft Windows 3.1
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows NT 4.0
Cat Soft Serv-U 2.5 a
- Microsoft Windows 3.1
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows NT 4.0
Cat Soft Serv-U 2.5
- Microsoft Windows 3.1
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows NT 4.0
Cat Soft Serv-U 2.4 x
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows NT 4.0

- 漏洞讨论

The default settings for Serv-U cause the server to give out full physical path information in the following circumstances.

A user attempting to retreive a non-existant file or change to a non-existant directory will see:
550 /d:/ftproot/nonexist: No such file or directory.

A user changing to an existing directory will see:
250 Directory changed to /d:/ftproot/exist

This information could be used to simplify other attacks.

- 漏洞利用

see discussion

- 解决方案

There is an option to change the messages to a less informative format.

Directions for version 2.5b:
Start the user or Group Manager. Select a user or group. Click the 'Misc.' button and the second checkbox is 'Show path relative to homedir'. Enabling this causes the server to give out messages like:

550 /nonexist: No such file or directory.
and
250 Directory changed to /exist

Note that this has to be done for each user or group.

- 相关参考

 

 

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