CVE-2020-14350 : What You Need to Know
Learn about CVE-2020-14350, an improper input validation vulnerability in PostgreSQL versions before 12.4, allowing attackers to execute malicious scripts during extension installation or update. Find mitigation steps and preventive measures here.
A vulnerability in PostgreSQL versions before 12.4, 11.9, 10.14, 9.6.19, and 9.5.23 could allow an attacker to execute malicious scripts during extension installation or update.
Understanding CVE-2020-14350
This CVE identifies an improper input validation issue in PostgreSQL that could be exploited by an attacker with sufficient privileges.
What is CVE-2020-14350?
PostgreSQL extensions were found to have insecure search_path usage in their installation scripts, enabling attackers to deceive administrators into running specially crafted scripts during extension installation or update.
The Impact of CVE-2020-14350
The vulnerability could lead to the execution of malicious scripts by an attacker with the necessary privileges, potentially compromising the PostgreSQL database.
Technical Details of CVE-2020-14350
This section provides more in-depth technical information about the vulnerability.
Vulnerability Description
The flaw arises from PostgreSQL extensions not securely utilizing search_path in their installation scripts, allowing attackers to manipulate administrators into executing malicious scripts.
Affected Systems and Versions
- PostgreSQL versions before 12.4
- PostgreSQL versions before 11.9
- PostgreSQL versions before 10.14
- PostgreSQL versions before 9.6.19
- PostgreSQL versions before 9.5.23
Exploitation Mechanism
Attackers with adequate privileges can exploit this vulnerability by tricking administrators into running specially crafted scripts during the installation or update of affected PostgreSQL extensions.
Mitigation and Prevention
Protecting systems from CVE-2020-14350 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update PostgreSQL to versions 12.4, 11.9, 10.14, 9.6.19, or 9.5.23 to mitigate the vulnerability.
- Monitor extension installations and updates for suspicious activities.
Long-Term Security Practices
- Regularly review and update PostgreSQL extensions to ensure they are secure.
- Educate administrators on safe installation practices to prevent script execution vulnerabilities.
Patching and Updates
Apply security patches provided by PostgreSQL to address the vulnerability and enhance system security.