CVE-2020-2574 : Exploit Details and Defense Strategies
Learn about CVE-2020-2574, a vulnerability in the MySQL Client product of Oracle MySQL, allowing unauthorized attackers to compromise the client and potentially cause a denial of service (DOS) attack. Find out the impacted versions and mitigation steps.
A vulnerability in the MySQL Client product of Oracle MySQL allows unauthorized attackers to compromise the client, potentially leading to a denial of service (DOS) attack.
Understanding CVE-2020-2574
This CVE involves a vulnerability in the MySQL Client product of Oracle MySQL, impacting specific versions of the software.
What is CVE-2020-2574?
The vulnerability in the MySQL Client product of Oracle MySQL (component: C API) affects versions 5.6.46 and prior, 5.7.28 and prior, and 8.0.18 and prior. It is challenging to exploit and could allow an unauthenticated attacker with network access to compromise the MySQL Client. Successful exploitation may lead to a DOS attack by causing the client to hang or crash.
The Impact of CVE-2020-2574
The vulnerability has a CVSS 3.0 Base Score of 5.9, with a focus on availability impacts. If exploited, it could result in unauthorized parties causing the MySQL Client to crash or hang, leading to a complete DOS situation.
Technical Details of CVE-2020-2574
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows unauthenticated attackers with network access to compromise the MySQL Client, potentially causing a DOS by crashing or hanging the client.
Affected Systems and Versions
- MySQL Server versions 5.6.46 and prior
- MySQL Server versions 5.7.28 and prior
- MySQL Server versions 8.0.18 and prior
Exploitation Mechanism
The vulnerability can be exploited by unauthenticated attackers with network access through multiple protocols to compromise the MySQL Client, leading to a DOS situation.
Mitigation and Prevention
To address CVE-2020-2574, consider the following steps:
Immediate Steps to Take
- Apply patches provided by Oracle Corporation promptly.
- Monitor for any unusual activity on MySQL Client systems.
Long-Term Security Practices
- Regularly update MySQL Server to the latest versions.
- Implement network security measures to restrict unauthorized access.
Patching and Updates
Ensure that all MySQL Server instances are updated with the latest patches and security fixes to mitigate the vulnerability effectively.