CVE-2018-10915 : What You Need to Know
Discover the security weakness in libpq, the default PostgreSQL client library, allowing attackers to bypass security measures and execute SQL injection attacks. Learn about the impact, affected versions, and mitigation steps.
A security weakness has been discovered in libpq, the default PostgreSQL client library, allowing attackers to bypass security measures and potentially execute SQL injection attacks.
Understanding CVE-2018-10915
This CVE involves a vulnerability in libpq, the default PostgreSQL client library, that could lead to unauthorized access and SQL injection attacks.
What is CVE-2018-10915?
- The vulnerability stems from libpq's failure to reset its internal state after each connection, enabling attackers to exploit this weakness using certain connection parameters.
- Attackers could bypass security measures, gain unauthorized access to connections with elevated privileges, and launch SQL injection attacks.
The Impact of CVE-2018-10915
- CVSS Score: 8.5 (High)
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: Low
- Confidentiality, Integrity, and Availability Impact: High
- Scope: Changed
- Vector String: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Technical Details of CVE-2018-10915
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- The flaw in libpq allows attackers to exploit the PQescape() functions, leading to security bypass and potential SQL injection.
Affected Systems and Versions
- Affected Product: PostgreSQL
- Vendor: PostgreSQL Global Development Group
- Vulnerable Versions: 10.5, 9.6.10, 9.5.14, 9.4.19, 9.3.24
Exploitation Mechanism
- Attackers can exploit the vulnerability by using specific connection parameters derived from untrusted sources.
Mitigation and Prevention
Protect your systems from CVE-2018-10915 with these mitigation strategies.
Immediate Steps to Take
- Update PostgreSQL to versions 10.5, 9.6.10, 9.5.14, 9.4.19, or 9.3.24 to patch the vulnerability.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch PostgreSQL to the latest secure versions.
- Implement network segmentation and access controls to limit exposure.
Patching and Updates
- Stay informed about security advisories and apply patches promptly to secure your PostgreSQL installations.