CVE-2019-10209 : Exploit Details and Defense Strategies
Learn about CVE-2019-10209, a memory disclosure issue in PostgreSQL versions 11.x before 11.5. Find out the impact, affected systems, and mitigation steps to secure your PostgreSQL installations.
Postgresql, versions 11.x before 11.5, is vulnerable to a memory disclosure issue when performing cross-type comparisons for hashed subplans.
Understanding CVE-2019-10209
A memory disclosure vulnerability affecting PostgreSQL versions 11.x prior to 11.5.
What is CVE-2019-10209?
This CVE describes a memory disclosure issue in PostgreSQL versions 11.x before 11.5 that occurs during cross-type comparisons for hashed subplans.
The Impact of CVE-2019-10209
The impact of this vulnerability is rated as low severity with a CVSS base score of 3.1.
Technical Details of CVE-2019-10209
Details of the technical aspects of the CVE.
Vulnerability Description
- Vulnerability Type: Memory Disclosure
- Affected Component: PostgreSQL
- Versions Affected: 11.x before 11.5
Affected Systems and Versions
- Product: PostgreSQL
- Vendor: PostgreSQL
- Affected Versions: All 11.x versions before 11.5
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
Mitigation and Prevention
Ways to mitigate and prevent exploitation of the vulnerability.
Immediate Steps to Take
- Update PostgreSQL to version 11.5 or later.
- Monitor security advisories for patches and updates.
Long-Term Security Practices
- Regularly update and patch PostgreSQL installations.
- Implement network security measures to prevent unauthorized access.
Patching and Updates
- Apply patches provided by PostgreSQL to address the memory disclosure vulnerability.