Authorization bypass through user-controlled key in Mk-Auth - CVE-2021-3005

 

Authorization bypass through user-controlled key in Mk-Auth - CVE-2021-3005

Published: January 3, 2021 / Updated: January 4, 2021


Vulnerability identifier: #VU49216
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2021-3005
CWE-ID:
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mk-Auth
Affected software:
Mk-Auth

Detailed vulnerability description

The vulnerability allows a remote attacker to obtain sensitive information.

The vulnerability exists due to incorrect implementation of access restrictions in central/recibo.php. A remote attacker can obtain sensitive information (e.g., a CPF number) via a modified titulo (aka invoice number).


How to mitigate CVE-2021-3005

Install updates from vendor's website.

Sources