CVE-2019-10130 : What You Need to Know
Discover the security impact of CVE-2019-10130 on PostgreSQL. Learn about the affected versions, exploitation risks, and mitigation steps to secure your systems.
A security issue was discovered in various versions of PostgreSQL that could allow attackers to access statistical information about columns in tables without enforcing row security policies.
Understanding CVE-2019-10130
This CVE affects PostgreSQL versions 11.x up to, excluding 11.3, 10.x up to, excluding 10.8, 9.6.x up to, excluding 9.6.13, and 9.5.x up to, excluding 9.5.17.
What is CVE-2019-10130?
PostgreSQL does not enforce row security policies when accessing statistical information during query planning, potentially allowing attackers with SELECT privilege to retrieve commonly occurring values in specific columns.
The Impact of CVE-2019-10130
- CVSS Score: 3.1 (Low Severity)
- Attack Vector: Network
- Attack Complexity: High
- Confidentiality Impact: Low
- Integrity Impact: None
- Privileges Required: Low
Technical Details of CVE-2019-10130
PostgreSQL's vulnerability lies in the lack of enforcement of row security policies when accessing statistical information.
Vulnerability Description
PostgreSQL fails to enforce row security policies, allowing attackers with SELECT privilege to access commonly occurring values in specific columns.
Affected Systems and Versions
- PostgreSQL 11.x up to, excluding 11.3
- PostgreSQL 10.x up to, excluding 10.8
- PostgreSQL 9.6.x up to, excluding 9.6.13
- PostgreSQL 9.5.x up to, excluding 9.5.17
Exploitation Mechanism
Attackers with SELECT privilege on certain columns can exploit this vulnerability to retrieve the most frequently occurring values in those columns.
Mitigation and Prevention
It is crucial to take immediate steps to secure systems and implement long-term security practices.
Immediate Steps to Take
- Apply patches provided by PostgreSQL Project
- Restrict access to vulnerable systems
- Monitor for any unauthorized access
Long-Term Security Practices
- Regularly update PostgreSQL to the latest version
- Implement least privilege access controls
- Conduct security audits and assessments
Patching and Updates
- Ensure all PostgreSQL instances are updated to versions that address this vulnerability