Vulnerability identifier: #VU49217

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14068

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mk-Auth
Server applications / Directory software, identity management

Vendor: Mk-Auth

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in central/executar_login.php. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Mk-Auth: 19.01

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External links
http://mk-auth.com.br/page/changelog-1
http://gist.github.com/merhawi023/a1155913df3cf0c17971b0fb7dcd8f20

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.