Resource exhaustion in MikroTik RouterOS - #VU27707
Published: May 12, 2020
Vulnerability identifier: #VU27707
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to the cerm process does not properly control consumption of internal resources. A remote authenticated user can send a specially crafted packet that triggers high CPU load and perform a denial of service (DoS) attack.
Affected software
MikroTik RouterOS
Remediation
Install updates from vendor's website.
MikroTik RouterOS - addressed in versions 6.45.7, 6.46.4