IBM i Access For Windows 7.1 Denial Of Service

`[+] Credits: John Page aka hyp3rlinx  
  
[+] Website: hyp3rlinx.altervista.org  
  
[+] Source:  
http://hyp3rlinx.altervista.org/advisories/IBMI-ACCESS-BUFFER-OVERFLOW-DOS.txt  
  
  
  
Vendor:  
==============  
www.ibm.com  
  
  
  
Product:  
====================================================  
IBM i Access for Windows  
Release 7.1 of IBM i Access for Windows is affected  
  
  
  
Vulnerability Type:  
========================  
Stack Buffer Overflow DOS  
  
  
  
CVE Reference:  
==============  
CVE-2015-7422  
  
  
  
Vulnerability Details:  
=====================  
IBM i Access for Windows vulnerable to a buffer overflow, caused by  
improper bounds checking.  
A local attacker could overflow a buffer and cause the program to crash.  
  
  
Remediation/Fixes  
The issue can be fixed by obtaining and applying the Service Pack SI57907.  
  
The buffer overflow vulnerability can be remediated by applying Service  
Pack SI57907.  
  
The Service Pack is available at:  
http://www-03.ibm.com/systems/power/software/i/access/windows_sp.html  
  
Workarounds and Mitigations  
None known  
  
CVSS Base Score: 4  
CVSS Temporal Score: See  
https://exchange.xforce.ibmcloud.com/vulnerabilities/107770 for the current  
score  
CVSS Environmental Score*: Undefined  
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)  
  
  
  
Disclosure Timeline:  
====================================  
Vendor Notification: May 21, 2015  
November 18, 2015 : Public Disclosure  
  
  
  
Exploitation Technique:  
=======================  
Local  
  
  
  
Severity Level:  
================  
Med  
  
  
  
Description:  
======================================================================  
Request Method(s): [+] local  
  
  
Vulnerable Product: [+] IBM i Access for Windows Release 7.1  
  
  
Affected Area(s): [+] IBMI i Access  
  
  
  
[+] Disclaimer  
Permission is hereby granted for the redistribution of this advisory,  
provided that it is not altered except by reformatting it, and that due  
credit is given. Permission is explicitly given for insertion in  
vulnerability databases and similar, provided that due credit is given to  
the author.  
The author is not responsible for any misuse of the information contained  
herein and prohibits any malicious use of all security related information  
or exploits by the author or elsewhere.  
  
by hyp3rlinx  
`