MitM attack in MikroTik Winbox service



Published: 2018-09-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID N/A
CWE ID CWE-300
Exploitation vector Local network
Public exploit N/A
Vulnerable software
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MikroTik RouterOS
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor MikroTik

Security Advisory

This security advisory describes one low risk vulnerability.

1) MitM attack

Risk: Low

CVSSv3: 3.7 [CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a MitM attack.

The vulnerability exists due to insecure authentication processes in the Winbox service. A remote attacker can perform a man-in-the-middle (MitM) attack and gain unauthorized access to the affected device.

Mitigation

Update to version 6.43.

Vulnerable software versions

MikroTik RouterOS: 6.42, 6.42.1, 6.42.2, 6.42.3, 6.42.4, 6.42.5, 6.42.6, 6.42.7

CPE External links

https://mikrotik.com/download/changelogs/stable-release-tree

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

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.