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ZKTeco ZKTime Web 2.0.1.12280 Information Disclosure

ZKTeco ZKTime Web 2.0.1.12280 Information Disclosure
Posted Sep 19, 2017
Authored by Arvind Vishwakarma

ZKTeco ZKTime Web version 2.0.1.12280 suffers from an information disclosure vulnerability.

tags | exploit, web, info disclosure
MD5 | 6b7fa287e7bbc910a93f0b738525a4b8

ZKTeco ZKTime Web 2.0.1.12280 Information Disclosure

Change Mirror Download
*Vulnerability Type*: Broken Authentication
*Vendor of Product*: ZKTeco
*Affected Product Code Base*: ZKTime Web - 2.0.1.12280
*Affected Component*: ZK Time Web Interface Management.
*Attack Type*: Local - Unauthenticated
*Impact*: Information Disclosure


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


*Product description:*
ZKTime Web 2.0 is a cutting edge Web-based Time Attendance software, which
provided a stable communication for devices through GPRS/WAN, hence, users
can access the software anywhere by their Web Browser to remotely manage
hundreds of T&A terminals under complex network condition (WLAN).


*Attack Scenario:*
The Application is a time attendance software which allows users to
download their time and attendance data from the application in a PDF
Format. The data includes their employeeas id, user-id, gender,
birth-dates, phone numbers and access-areas. These PDF Files however are
not properly authenticated. If any user get access to the file-download
link, he can go ahead and download these files directly without any
authentication.

*Proof of Concept Code:*
Broken Links:

http://XX.XX.XX.XX:8081/tmp/report_file/Personnel_20170820144237.pdf
<http://xx.xx.xx.xx:8081/tmp/report_file/Personnel_20170820144237.pdf>

http://XX.XX.XX.XX:8081/tmp/report_file/Personnel_20170820144238.pdf
<http://xx.xx.xx.xx:8081/tmp/report_file/Personnel_20170820144238.pdf>

http://XX.XX.XX.XX:8081/tmp/report_file/Personnel_20170820144239.pdf
<http://xx.xx.xx.xx:8081/tmp/report_file/Personnel_20170820144239.pdf>


*Impact:*

Personal details pertaining to the employees of the company are disclosed
without their permissions. This leads to violation of user privacy.
Moreover the information available can be used to mount further attacks.


*Recommendation:*

All the links and URLas of the application should be appropriately
protected.


*Credit*: Arvind Vishwakarma

http://ultimateone1.blogspot.ae/



*Vulnerability Timeline:*

18th August 2017 a Vulnerability Discovered
20th August 2017 a Contacted Vendor a No Response
1st September 2017 a Contacted Vendor again a No Response
18th September 2017 a Vulnerability Disclosed


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