CVE-2020-20246 Explained : Impact and Mitigation
Learn about CVE-2020-20246, a memory corruption vulnerability in Mikrotik RouterOs stable 6.46.3 allowing a remote attacker to cause a Denial of Service. Find mitigation steps and prevention measures.
Mikrotik RouterOs stable 6.46.3 suffers from a memory corruption vulnerability in the mactel process, allowing an authenticated remote attacker to cause a Denial of Service due to improper memory access.
Understanding CVE-2020-20246
This CVE involves a memory corruption vulnerability in Mikrotik RouterOs stable 6.46.3, impacting the mactel process.
What is CVE-2020-20246?
This CVE identifies a specific vulnerability in Mikrotik RouterOs stable 6.46.3 that can be exploited by an authenticated remote attacker to trigger a Denial of Service attack through improper memory access.
The Impact of CVE-2020-20246
The vulnerability can lead to a Denial of Service condition, potentially disrupting network operations and services.
Technical Details of CVE-2020-20246
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in the mactel process of Mikrotik RouterOs stable 6.46.3 allows for memory corruption, enabling a remote attacker to exploit it for a Denial of Service attack.
Affected Systems and Versions
- Affected Product: Mikrotik RouterOs stable 6.46.3
- Affected Version: Not applicable
Exploitation Mechanism
An authenticated remote attacker can exploit the memory corruption vulnerability in the mactel process to cause a Denial of Service by improperly accessing memory.
Mitigation and Prevention
Protecting systems from CVE-2020-20246 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.
- Conduct security audits and assessments periodically.
- Educate users and administrators on best security practices.
Patching and Updates
Ensure that Mikrotik RouterOs stable 6.46.3 is updated with the latest patches to mitigate the memory corruption vulnerability.