CVE-2000-1014
CVSS7.5
发布时间 :2000-12-11 00:00:00
修订时间 :2008-09-05 16:22:26
NMCOE    

[原文]Format string vulnerability in the search97.cgi CGI script in SCO help http server for Unixware 7 allows remote attackers to execute arbitrary commands via format characters in the queryText parameter.


[CNNVD]Unixware SCO help http server search97.cgi CGI命令执行漏洞(CNNVD-200012-015)

        Unixware 7的SCO help http server的search97.cgi CGI脚本存在格式化字符串漏洞。远程攻击者可以借助queryText参数中的格式化字符执行任意命令。

- CVSS (基础分值)

CVSS分值: 7.5 [严重(HIGH)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: PARTIAL [可能会导致系统文件被修改]
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-2000-1014
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2000-1014
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200012-015
(官方数据源) CNNVD

- 其它链接及资源

http://xforce.iss.net/static/5291.php
(VENDOR_ADVISORY)  XF  unixware-scohelp-format
http://www.securityfocus.com/bid/1717
(VENDOR_ADVISORY)  BID  1717
http://www.osvdb.org/3240
(UNKNOWN)  OSVDB  3240
http://archives.neohapsis.com/archives/bugtraq/2000-09/0325.html
(UNKNOWN)  BUGTRAQ  20000927 Unixware SCOhelp http server format string vulnerability

- 漏洞信息

Unixware SCO help http server search97.cgi CGI命令执行漏洞
高危 格式化字符串
2000-12-11 00:00:00 2005-05-02 00:00:00
远程  
        Unixware 7的SCO help http server的search97.cgi CGI脚本存在格式化字符串漏洞。远程攻击者可以借助queryText参数中的格式化字符执行任意命令。

- 公告与补丁

        

- 漏洞信息 (20242)

Unixware 7.0 SCOhelp HTTP Server Format String Vulnerability (EDBID:20242)
cgi remote
2000-09-26 Verified
0 Juliano Rizzo
N/A [点击下载]
source: http://www.securityfocus.com/bid/1717/info

SCO Unixware 7 default installation includes scohelp, an http server that listens on port 457/tcp and allows access to manual pages and other documentation files. The search CGI script provided for that purpose has a vulnerability that could allow any remote attacker to execute arbitrary code on the vulnerable machine with privileges of user "nobody". This poses a threat that could result in the remote compromise of the vulnerable host and provide a staging point from where an attacker could escalate privileges. 

There is a user supplied format string bug in the vtopic CGI script that could be abused to execute arbitrary code. By sending a request with the following URI:

http://target:457/search97cgi/vtopic?Action= FilterSearch&filter=&queryText=%25x

The server will elicit the following response:
--
Internal error: STR_sprintf: Invalid format (Error E1-0142 (Query
Builder): Invalid character '%' (0x25))

Result
Search failed: -40

Result
Error E1-0142 (Query Builder): Invalid character '

Result
Error E1-0130 (Query Builder): Syntax error in query string near
character 1

Result
Error E1-0133 (Query Builder): Error parsing query: 81888e0

Result
VdkSearchNew failed, error -40

Result
Request failed for REQUEST_METHOD=, QUERY_STRING=

Component
Component (vsearch) failed in processing request, -2

Action
Action (FilterSearch) failed while processing request in component
(vsearch), -2

Service Manager
Action (FilterSearch) failed in processing request, -2
S97IS Service manager failed to process request
--

Note that the line:
Error E1-0133 (Query Builder): Error parsing query: 81888e0

This shows that the server is interpreting the %x argument passed in the URI as the "queryText" value. Supplying a carefully built value for the queryText argument an attacker can change the program flow and execute arbitrary code. 		

- 漏洞信息

1572
SCO UnixWare SCOhelp search97.cgi queryText Parameter Arbitrary Command Execution

- 漏洞描述

Unknown or Incomplete

- 时间线

2000-09-26 Unknow
Unknow Unknow

- 解决方案

Unknown or Incomplete

- 相关参考

- 漏洞作者

Unknown or Incomplete
 

 

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