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BIND 9.10.5 Unquoted Service Path Privilege Escalation

BIND 9.10.5 Unquoted Service Path Privilege Escalation
Posted Jun 5, 2017
Authored by hyp3rlinx | Site hyp3rlinx.altervista.org

BIND version 9.10.5 for x86 and x64 on Windows suffers from an unquoted service path vulnerability that can allow for privilege escalation.

tags | exploit, x86
systems | windows
advisories | CVE-2017-3141
MD5 | b39267a55a45b5a08939bd042eb975f7

BIND 9.10.5 Unquoted Service Path Privilege Escalation

Change Mirror Download
[+] Credits: John Page aka hyp3rlinx  
[+] Website: hyp3rlinx.altervista.org
[+] Source: http://hyp3rlinx.altervista.org/advisories/BIND9-PRIVILEGE-ESCALATION.txt
[+] ISR: ApparitionSec



Vendor:
===========
www.isc.org



Product:
===========
BIND9
v9.10.5 x86 / x64


BIND is open source software that enables you to publish your Domain Name System (DNS) information on the Internet, and to resolve DNS
queries for your users. The name BIND stands for Berkeley Internet Name Domain, because the software originated in the early 1980s
at the University of California at Berkeley.



Vulnerability Type:
===================
Privilege Escalation



CVE Reference:
==============
CVE-2017-3141



Security Issue:
================
BIND installs as a service with an unquoted service path, to exploit a local attacker must place
a malicious executable file named "Program.exe" in the path of the service, if the process runs under
some account other than the attackers it can be used to exec code under a different set of privileges.


C:\>sc qc named
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: named
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Program Files\ISC BIND 9\bin\named.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : ISC BIND
DEPENDENCIES :
SERVICE_START_NAME : .\named





Network Access:
===============
Local




Severity:
=========
Medium



Disclosure Timeline:
==================================
Vendor Notification: May 13, 2017
Vendor confirm: May 14, 2017
June 4, 2017 : Public Disclosure



[+] Disclaimer
The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise.
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 accepts no responsibility
for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information
or exploits by the author or elsewhere. All content (c).

hyp3rlinx

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