CVE-2019-9193

NameCVE-2019-9193
Description** DISPUTED ** 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?.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
postgresql-11 (PTS)buster, buster (security)11.5-1+deb10u1vulnerable
bullseye, sid11.5-3sid2vulnerable
postgresql-9.4 (PTS)jessie9.4.18-0+deb8u1vulnerable
jessie (security)9.4.25-0+deb8u1vulnerable
postgresql-9.6 (PTS)stretch (security), stretch9.6.15-0+deb9u1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
postgresql-11source(unstable)(unfixed)unimportant
postgresql-9.4source(unstable)(unfixed)unimportant
postgresql-9.6source(unstable)(unfixed)unimportant

Notes

https://medium.com/greenwolf-security/authenticated-arbitrary-command-execution-on-postgresql-9-3-latest-cd18945914d5
https://paquier.xyz/postgresql-2/postgres-9-3-feature-highlight-copy-tofrom-program/
Upstream statement: https://www.postgresql.org/about/news/1935/
Issue is not to be considered a vulnerability and disupted to be valid.

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