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SopCast 3.4.7 (Diagnose.exe) Improper Permissions

Author
LiquidWorm
Risk
[
Security Risk Unsored
]
0day-ID
0day-ID-17240
Category
local exploits
Date add
05-12-2011
Platform
windows
SopCast 3.4.7 (Diagnose.exe) Improper Permissions
 
 
Vendor: SopCast.com
Product web page: http://www.sopcast.com
Affected version: 3.4.7.45585
 
Summary: SopCast is a simple, free way to broadcast video and audio or watch
the video and listen to radio on the Internet. Adopting P2P(Peer-to-Peer)
technology, It is very efficient and easy to use. SoP is the abbreviation for
Streaming over P2P. Sopcast is a Streaming Direct Broadcasting System based
on P2P. The core is the communication protocol produced by Sopcast Team, which
is named sop://, or SoP technology.
 
Desc: SopCast is vulnerable to an elevation of privileges vulnerability which
can be used by a simple user that can change the executable file with a binary
of choice. The vulnerability exist due to the improper permissions, with the 'F'
flag (full control) for the 'Everyone' group, for the 'Diagnose.exe' binary file
which is bundled with the SopCast installation package.
 
Tested on: Microsoft Windows XP Professional SP3 (EN)
 
 
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience
 
 
Vendor status:
 
[30.11.2011] Vulnerability discovered.
[01.12.2011] Contact with the vendor with sent detailed info.
[04.12.2011] No response from the vendor.
[05.12.2011] Public security advisory released.
 
 
Advisory ID: ZSL-2011-5062
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5062.php
 
 
30.11.2011
 
--
 
 
C:\Program Files\SopCast>cacls Diagnose.exe
C:\Program Files\SopCast\Diagnose.exe Everyone:F <-----
                                      BUILTIN\Users:R
                                      BUILTIN\Power Users:C
                                      BUILTIN\Administrators:F
                                      NT AUTHORITY\SYSTEM:F
                                      LABPC\User101:F
 
C:\Program Files\SopCast>



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