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CVE-2019-9193

7.2 · HIGH

In PostgreSQL 9.3 through 11.2, the "COPY TO/FROM PROGRAM" function allows superusers and users in the 'pg_execute_server_program' group to execute arbitrary code in the context of the database's o…

Published Apr 1, 2019CWE-78EPSS 91.66%

Overview

CVE-2019-9193 is a high-severity vulnerability. It was published on April 1, 2019 and has a CVSS 3.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In PostgreSQL 9.3 through 11.2, the "COPY TO/FROM PROGRAM" function allows superusers and users in the 'pg_execute_server_program' group to execute arbitrary code in the context of the database's operating system user. This functionality is enabled by default and can be abused to run arbitrary operating system commands on Windows, Linux, and macOS. NOTE: Third parties claim/state this is not an issue because PostgreSQL functionality for ‘COPY TO/FROM PROGRAM’ is acting as intended. References state that in PostgreSQL, a superuser can execute commands as the server user without using the ‘COPY FROM PROGRAM’.

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

Refpacketstormsecurity.com/files/152757/PostgreSQL-COPY-FROM-PROGRAM-Command-Execution.htmlRefpacketstormsecurity.com/files/166540/PostgreSQL-11.7-Remote-Code-Execution.htmlRefpacketstormsecurity.com/files/171722/PostgreSQL-9.6.1-Remote-Code-Execution.htmlRefblog.hagander.net/when-a-vulnerability-is-not-a-vulnerability-244/Refmedium.com/greenwolf-security/authenticated-arbitrary-command-execution-on-postgresql-9-3-latest-cd18945914d5Refpaquier.xyz/postgresql-2/postgres-9-3-feature-highlight-copy-tofrom-program/Refsecurity.netapp.com/advisory/ntap-20190502-0003/Refwww.trustwave.com/en-us/resources/blogs/spiderlabs-blog/authenticated-arbitrary-command-execution-on-postgresql-9-3/Refpacketstormsecurity.com/files/152757/PostgreSQL-COPY-FROM-PROGRAM-Command-Execution.htmlRefpacketstormsecurity.com/files/166540/PostgreSQL-11.7-Remote-Code-Execution.html

How CyberStrike helps

Frequently asked questions

What is CVE-2019-9193?

CVE-2019-9193 is a high-severity vulnerability. It was published on April 1, 2019 and has a CVSS 3.0 base score of 7.2 (HIGH).

How severe is CVE-2019-9193?

This vulnerability has a CVSS 3.0 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-9193?

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-2019-9193?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-9193 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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