CVE-2020-20245 : What You Need to Know

Mikrotik RouterOs stable 6.46.3 suffers from a memory corruption vulnerability in the log process, allowing an authenticated remote attacker to cause a Denial of Service due to improper memory access.

Understanding CVE-2020-20245

This CVE identifies a specific vulnerability in Mikrotik RouterOs that can be exploited by an authenticated remote attacker.

What is CVE-2020-20245?

The vulnerability in Mikrotik RouterOs stable 6.46.3 allows an attacker to trigger a Denial of Service by exploiting a memory corruption issue in the log process.

The Impact of CVE-2020-20245

The vulnerability can lead to a Denial of Service condition, affecting the availability of the system and potentially disrupting network operations.

Technical Details of CVE-2020-20245

This section provides more technical insights into the vulnerability.

Vulnerability Description

The memory corruption vulnerability in the log process of Mikrotik RouterOs stable 6.46.3 enables an authenticated remote attacker to disrupt system availability through improper memory access.

Affected Systems and Versions

Affected Product: Mikrotik RouterOs stable 6.46.3
Vendor: Mikrotik
Version: n/a

Exploitation Mechanism

The vulnerability can be exploited by an authenticated remote attacker to trigger a Denial of Service by manipulating memory access in the log process.

Mitigation and Prevention

Protecting systems from CVE-2020-20245 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Mikrotik promptly.
Monitor network traffic for any suspicious activity.
Restrict access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Implement strong authentication mechanisms.
Conduct regular security audits and assessments.

Patching and Updates

Ensure that all Mikrotik RouterOs installations are updated with the latest patches to mitigate the vulnerability.