Privilege escalation in MikroTik RouterOS

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU78701

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-30799

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to improperly imposed security restrictions in RouterOS. A remote authenticated user with "admin" privileges can bypass implemented security restrictions and obtain "super-admin" role.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

MikroTik RouterOS: 6.0 - 6.49.7

External links

http://vulncheck.com/advisories/mikrotik-foisted
http://github.com/MarginResearch/FOISted

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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