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wincvs-220.127.116.11 Privilege Escalation
Oct 25 2016 06:08AM
apparitionsec gmail com
[+] Credits: John Page aka hyp3rlinx
[+] Website: hyp3rlinx.altervista.org
[+] Source: http://hyp3rlinx.altervista.org/advisories/WINCVS-PRIVILEGE-ESCALATION.t
[+] ISR: ApparitionSec
WinCvs v18.104.22.168 (Build 1)
downloads as wincvs-22.214.171.124
WinCVS is a free app for Windows that will help you simplify the development of files for groups of people working on
the same software project.
WinCvs.exe installs a service with an unquoted service path running with SYSTEM privileges, to exploit a local attacker must place
a malicious executable file named "Program.exe" in the path of the service. After service restart or system reboot, it could
potentially allow an authorized local user to execute arbitrary code with elevated privileges on the system.
C:\Users\hyp3rlinx>sc qc CVS
[SC] QueryServiceConfig SUCCESS
TYPE : 110 WIN32_OWN_PROCESS (interactive)
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Program Files (x86)\cvsnt\cvsservice.exe
TAG : 0
DISPLAY_NAME : CVSNT
SERVICE_START_NAME : LocalSystem
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.
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