Buffer overflow in MikroTik RouterOS - CVE-2020-20236
Published: May 10, 2021 / Updated: June 1, 2021
Vulnerability identifier: #VU52989
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-20236
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MikroTik
Affected software:
MikroTik RouterOS
MikroTik RouterOS
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the sniffer process. A remote authenticated user can pass specially crafted data to the system, trigger invalid memory access and crash the affected process.
How to mitigate CVE-2020-20236
Install update from vendor's website.