CVE-2020-20237 : Vulnerability Insights and Analysis
Learn about CVE-2020-20237, a memory corruption vulnerability in Mikrotik RouterOs 6.46.3 that allows an authenticated remote attacker to cause a Denial of Service. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Mikrotik RouterOs 6.46.3 (stable tree) has a memory corruption vulnerability in the /nova/bin/sniffer process, allowing an authenticated remote attacker to cause a Denial of Service due to improper memory access.
Understanding CVE-2020-20237
This CVE involves a memory corruption vulnerability in Mikrotik RouterOs 6.46.3 that can be exploited by an authenticated remote attacker.
What is CVE-2020-20237?
CVE-2020-20237 is a vulnerability in Mikrotik RouterOs 6.46.3 that enables an authenticated remote attacker to trigger a Denial of Service by exploiting a memory corruption issue in the /nova/bin/sniffer process.
The Impact of CVE-2020-20237
The vulnerability can lead to a Denial of Service condition due to improper memory access, potentially disrupting the normal operation of the affected system.
Technical Details of CVE-2020-20237
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability in Mikrotik RouterOs 6.46.3 allows an authenticated remote attacker to exploit a memory corruption issue in the /nova/bin/sniffer process, leading to a Denial of Service.
Affected Systems and Versions
- Affected Product: Mikrotik RouterOs 6.46.3 (stable tree)
- Affected Version: n/a
Exploitation Mechanism
An authenticated remote attacker can exploit the vulnerability by improperly accessing memory in the /nova/bin/sniffer process, causing a Denial of Service.
Mitigation and Prevention
Protecting systems from CVE-2020-20237 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches or updates provided by Mikrotik to address the vulnerability.
- Monitor network traffic for any suspicious activity that could indicate an exploitation attempt.
Long-Term Security Practices
- Regularly update and patch all software and firmware to prevent known vulnerabilities.
- Implement strong authentication mechanisms to restrict unauthorized access to the system.
Patching and Updates
Ensure that the Mikrotik RouterOs is updated to a secure version that addresses the memory corruption vulnerability.