SB2022060842 - Multiple vulnerabilities in MikroTik RouterOS

Description

This security bulletin contains information about 2 vulnerabilities.

1) NULL pointer dereference (CVE-ID: CVE-2021-36613)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 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/E:U/U:Green

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the ptp process. A remote authenticated  user can perform a denial of service (DoS) attack.

2) NULL pointer dereference (CVE-ID: CVE-2021-36614)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: 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/E:U/U:Green

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the tr069-client process. A remote authenticated user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://seclists.org/fulldisclosure/2021/Jul/0
• http://seclists.org/fulldisclosure/2022/Jun/2