CVE-2020-20212 : Vulnerability Insights and Analysis
Learn about CVE-2020-20212, a memory corruption vulnerability in Mikrotik RouterOs 6.44.5, allowing authenticated remote attackers to cause a Denial of Service (NULL pointer dereference). Find mitigation steps and prevention measures.
Mikrotik RouterOs 6.44.5 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/console process, allowing an authenticated remote attacker to cause a Denial of Service (NULL pointer dereference).
Understanding CVE-2020-20212
This CVE identifies a specific vulnerability in Mikrotik RouterOs 6.44.5 that can be exploited by an authenticated remote attacker.
What is CVE-2020-20212?
The vulnerability in Mikrotik RouterOs 6.44.5 allows attackers to trigger a Denial of Service by exploiting a memory corruption issue in the /nova/bin/console process.
The Impact of CVE-2020-20212
The exploitation of this vulnerability can lead to a Denial of Service condition, potentially disrupting network operations and services.
Technical Details of CVE-2020-20212
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability involves a memory corruption issue in the /nova/bin/console process of Mikrotik RouterOs 6.44.5, enabling attackers to cause a NULL pointer dereference.
Affected Systems and Versions
- Affected Version: Mikrotik RouterOs 6.44.5 (long-term tree)
- All systems running this specific version are vulnerable to the exploit.
Exploitation Mechanism
An authenticated remote attacker can exploit the vulnerability by sending specially crafted requests to the /nova/bin/console process, leading to a NULL pointer dereference and subsequent Denial of Service.
Mitigation and Prevention
Protecting systems from CVE-2020-20212 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly to address the vulnerability.
- Monitor network traffic for any suspicious activity targeting the affected process.
Long-Term Security Practices
- Implement strong authentication mechanisms to prevent unauthorized access to the system.
- Regularly update and patch all software and firmware to mitigate potential vulnerabilities.
Patching and Updates
- Check the vendor's website for available patches or security updates to fix the vulnerability in Mikrotik RouterOs 6.44.5.