Headline
NLB mKlik Makedonija 3.3.12 SQL Injection
The mobile application or the affected API suffers from an SQL Injection vulnerability. Input passed to the parameters that are associated to international transfer is not properly sanitised before being returned to the user or used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code and disclose sensitive information.
Title: NLB mKlik Makedonija 3.3.12 SQL Injection
Advisory ID: ZSL-2023-5797
Type: Local/Remote
Impact: Exposure of System Information, Exposure of Sensitive Information, Manipulation of Data
Risk: (3/5)
Release Date: 14.10.2023
Summary
NLB mKlik е мобилна апликација наменета за физички лица, корисници на услугите на НЛБ Банка, која овозможува преглед на различните продукти кои корисниците ги имаат во Банката како и извршување на различни видови на трансакции на едноставен и пред се безбеден начин во било кој период од денот. NLB mKlik апликацијата може да се користи со Android верзија 5.0 или понова.
Description
The mobile application or the affected API suffers from an SQL Injection vulnerability. Input passed to the parameters that are associated to international transfer is not properly sanitised before being returned to the user or used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code and disclose sensitive information.
Vendor
NLB Banka AD Skopje - https://www.nlb.mk
Affected Version
3.3.12
Tested On
Android 13
Vendor Status
[23.12.2022] Vulnerability discovered.
[23.12.2022] Vendor contacted.
[26.12.2022] Vendor responds asking more details.
[28.12.2022] Sent details to the vendor, not encrypted. Asked for confirmation and next steps.
[28.12.2022] Vendor thanks us for the cooperation.
[06.01.2023] Asked vendor for update and plan for fix mob/web?
[09.01.2023] Vendor informs that our request has been received and will be reviewed within the responsible department. After the department responds we will be notified.
[20.01.2023] Asked vendor to provide status update and confirmation and to communicate more often.
[23.01.2023] Vendor informs that our request is sent to the responsible department. After the department responds we will be notified.
[13.10.2023] No response from the vendor.
[14.10.2023] Public security advisory released.
PoC
nlbmklik_sqli.txt
Credits
Vulnerability discovered by Neurogenesia - <[email protected]>
References
[1] https://play.google.com/store/apps/details?id=hr.asseco.android.jimba.tutunskamk.production
Changelog
[14.10.2023] - Initial release
Contact
Zero Science Lab
Web: https://www.zeroscience.mk
e-mail: [email protected]