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CVE-2017-12172

6.7 · MEDIUM

PostgreSQL 10.x before 10.1, 9.6.x before 9.6.6, 9.5.x before 9.5.10, 9.4.x before 9.4.15, 9.3.x before 9.3.20, and 9.2.x before 9.2.24 runs under a non-root operating system account, and database…

Published Nov 22, 2017CWE-59EPSS 0.59%

Overview

CVE-2017-12172 is a medium-severity vulnerability. It was published on November 22, 2017 and has a CVSS 3.0 base score of 6.7 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

PostgreSQL 10.x before 10.1, 9.6.x before 9.6.6, 9.5.x before 9.5.10, 9.4.x before 9.4.15, 9.3.x before 9.3.20, and 9.2.x before 9.2.24 runs under a non-root operating system account, and database superusers have effective ability to run arbitrary code under that system account. PostgreSQL provides a script for starting the database server during system boot. Packages of PostgreSQL for many operating systems provide their own, packager-authored startup implementations. Several implementations use a log file name that the database superuser can replace with a symbolic link. As root, they open(), chmod() and/or chown() this log file name. This often suffices for the database superuser to escalate to root privileges when root starts the server.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/101949Refwww.securitytracker.com/id/1039752Refaccess.redhat.com/errata/RHSA-2017:3402Refaccess.redhat.com/errata/RHSA-2017:3403Refaccess.redhat.com/errata/RHSA-2017:3404Refaccess.redhat.com/errata/RHSA-2017:3405Refwww.postgresql.org/about/news/1801/Refwww.postgresql.org/support/security/Refwww.securityfocus.com/bid/101949Refwww.securitytracker.com/id/1039752

How CyberStrike helps

Frequently asked questions

What is CVE-2017-12172?

CVE-2017-12172 is a medium-severity vulnerability. It was published on November 22, 2017 and has a CVSS 3.0 base score of 6.7 (MEDIUM).

How severe is CVE-2017-12172?

This vulnerability has a CVSS 3.0 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-12172?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-12172?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-12172 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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