CVE-2017-7547 : Vulnerability Insights and Analysis
Learn about CVE-2017-7547, an authorization vulnerability in PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8, and 9.6.4 allowing remote authenticated attackers to access passwords without privileges.
PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8, and 9.6.4 are vulnerable to an authorization flaw that allows remote authenticated attackers to retrieve passwords from user mappings without the necessary privileges.
Understanding CVE-2017-7547
Prior to the specified versions, PostgreSQL is susceptible to an authorization vulnerability that can be exploited by remote authenticated attackers.
What is CVE-2017-7547?
- PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8, and 9.6.4 have a vulnerability that enables remote authenticated attackers to access passwords within user mappings defined by foreign server owners.
The Impact of CVE-2017-7547
- Remote authenticated attackers can retrieve passwords from user mappings without the necessary privileges.
Technical Details of CVE-2017-7547
PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8, and 9.6.4 are affected by an authorization flaw that allows unauthorized access to passwords.
Vulnerability Description
- The vulnerability enables remote authenticated attackers to access passwords within user mappings defined by foreign server owners.
Affected Systems and Versions
- PostgreSQL versions 9.2.x before 9.2.22
- PostgreSQL versions 9.3.x before 9.3.18
- PostgreSQL versions 9.4.x before 9.4.13
- PostgreSQL versions 9.5.x before 9.5.8
- PostgreSQL versions 9.6.x before 9.6.4
Exploitation Mechanism
- Remote authenticated attackers can exploit this flaw to retrieve passwords from user mappings without the necessary privileges.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2017-7547.
Immediate Steps to Take
- Update PostgreSQL to versions 9.2.22, 9.3.18, 9.4.13, 9.5.8, or 9.6.4 to mitigate the vulnerability.
- Monitor for any unauthorized access or unusual activities on the database.
Long-Term Security Practices
- Regularly review and update access controls and user privileges within PostgreSQL.
- Conduct security audits to identify and address any potential vulnerabilities.
Patching and Updates
- Apply patches and updates provided by PostgreSQL to ensure the security of the database.