bugtraq - EPSON Status Monitor 3 local privilege escalation vulnerability

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Date: 30 Jul 2009 04:40:47 -0000
From: nospam@...il.it
To: bugtraq@...urityfocus.com
Subject: EPSON Status Monitor 3 local privilege escalation vulnerability

------- EPSON Status Monitor 3 local privilege escalation vulnerability --------
by Nine:Situations:Group::bruiser
site: http://retrogod.altervista.org/
--------------------------------------------------------------------------------
After that pyrokinesis found: http://www.milw0rm.com/exploits/9199
I prepared a tool to check for weak permissions and I come out with this:

C:\>sc qc EPSON_EB_RPCV4_01
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: EPSON_EB_RPCV4_01
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Documents and Settings\All Users\Application Data\EPSON\EPW!3 SSRP\E_S40ST7.EXE
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : EPSON V5 Service4(01)
        DEPENDENCIES       : RpcSs
        SERVICE_START_NAME : LocalSystem

C:\>CACLS "C:\Documents and Settings\All Users\Application Data\EPSON\EPW!3 SSRP\E_S40ST7.EXE"
C:\Documents and Settings\All Users\Application Data\EPSON\EPW!3 SSRP\E_S40ST7.EXE Everyone:F <------[ :( !!!]

C:\>SC QC EPSON_PM_RPCV4_01
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: EPSON_PM_RPCV4_01
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Documents and Settings\All Users\Application Data\EPSON\EPW!3 SSRP\E_S40RP7.EXE
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : EPSON V3 Service4(01)
        DEPENDENCIES       : RpcSs
        SERVICE_START_NAME : LocalSystem

C:\>CACLS "C:\Documents and Settings\All Users\Application Data\EPSON\EPW!3 SSRP\E_S40RP7.EXE"
C:\Documents and Settings\All Users\Application Data\EPSON\EPW!3 SSRP\E_S40RP7.EXE Everyone:F <------[ :( !!!]

The executable files are installed with "full control" for Everyone; replace
them with your favourite rootkit.
They are carried by an EPSON STYLUS SX100 drivers cd. C'mon guys, no need for an
exploit code, it can be triggered by the availiable command line tools.

--------------------------------------------------------------------------------

original url: http://retrogod.altervista.org/9sg_EPSON_local.html