Oracle MySQL Server Pluggable Auth Vulnerability [CVE-2019-2632]
CVE Number – CVE-2019-2632
A vulnerability in the Server: Pluggable Auth subcomponent of the MySQL Server component of Oracle MySQL could allow an unauthenticated, remote attacker to access sensitive information on a targeted system.
The vulnerability is due to improper input validation that is performed by the affected software. An attacker with network access to the system via multiple protocols could exploit the vulnerability by submitting malicious input to the affected software. A successful exploit could allow the attacker to access sensitive information, which could be used to conduct additional attacks.
Oracle confirmed the vulnerability and released software updates.
Safeguards
- Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to run both firewall and antivirus applications to minimize the potential of inbound and outbound threats.
Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.
Administrators can help protect affected systems from external attacks by using a solid firewall strategy.
Administrators are advised to monitor affected systems.
Vendor Announcements
- Oracle released a security advisory at the following link: Oracle Critical Patch Update Advisory – April 2019
Fixed Software
- Oracle released software updates at the following link: Oracle Downloads
Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.