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packetstormOsanda MalithPACKETSTORM:128868
HistoryOct 28, 2014 - 12:00 a.m.

ESTsoft ALUpdate 8.5.1.0.0 Privilege Escalation

2014-10-2800:00:00
Osanda Malith
packetstormsecurity.com
19

EPSS

0

Percentile

5.1%

`# Title: ESTsoft ALUpdate Privilege Escalation Vulnerablity  
# Version: 8.5.1.0.0  
# Tested on: Windows XP SP2 en  
# Vendor: http://www.altools.com/  
# E-Mail: osanda[at]unseen.is  
# Author: Osanda Malith Jayathissa  
# /!\ Author is not responsible for any damage you cause  
# Use this material for educational purposes only  
# CVE: CVE-2014-8494  
  
- Description  
==============  
The "ALUpdate" folder and the "ALUpdate.exe" has been granted with full permissions   
to the "Users" group. Any user other than the administrator could plant malware or   
bind malware to the original EXE file. This is valid to any software you download  
from the vendor.  
  
- Proof of Concept  
===================  
  
C:\Program Files\ESTsoft>cacls ALUpdate  
C:\Program Files\ESTsoft\ALUpdate BUILTIN\Users:(OI)(CI)F  
NT SERVICE\TrustedInstaller:(ID)F  
NT SERVICE\TrustedInstaller:(CI)(IO)(ID)F  
NT AUTHORITY\SYSTEM:(ID)F  
NT AUTHORITY\SYSTEM:(OI)(CI)(IO)(ID)F  
BUILTIN\Administrators:(ID)F  
BUILTIN\Administrators:(OI)(CI)(IO)(ID)F  
BUILTIN\Users:(ID)R  
BUILTIN\Users:(OI)(CI)(IO)(ID)(special access:)  
GENERIC_READ  
GENERIC_EXECUTE  
  
CREATOR OWNER:(OI)(CI)(IO)(ID)F  
  
  
C:\Program Files\ESTsoft>cd ALUpdate  
  
C:\Program Files\ESTsoft\ALUpdate>cacls ALUpdate.exe  
C:\Program Files\ESTsoft\ALUpdate\ALUpdate.exe BUILTIN\Users:(ID)F  
NT AUTHORITY\SYSTEM:(ID)F  
BUILTIN\Administrators:(ID)F  
`

EPSS

0

Percentile

5.1%

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