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A malicious server could inject psql meta-commands into plain-text dump output (i.e., scripts created with pg_dump --format=plain, pg_dumpall, or pg_restore --file) that are run at restore time on the machine running psql. To fix, introduce a new "restricted" mode in psql that blocks all meta-commands (except for \unrestrict to exit the mode), and teach pg_dump, pg_dumpall, and pg_restore to use this mode in plain-text dumps. While at it, encourage users to only restore dumps generated from trusted servers or to inspect it beforehand, since restoring causes the destination to execute arbitrary code of the source superusers' choice. However, the client running the dump and restore needn't trust the source or destination superusers. Reported-by: Martin Rakhmanov Reported-by: Matthieu Denais <litezeraw@gmail.com> Reported-by: RyotaK <ryotak.mail@gmail.com> Suggested-by: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Noah Misch <noah@leadboat.com> Reviewed-by: Michael Paquier <michael@paquier.xyz> Reviewed-by: Peter Eisentraut <peter@eisentraut.org> Security: CVE-2025-8714 Backpatch-through: 13 |
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| .. | ||
| authentication | ||
| examples | ||
| icu | ||
| isolation | ||
| kerberos | ||
| ldap | ||
| locale | ||
| mb | ||
| modules | ||
| perl | ||
| postmaster | ||
| recovery | ||
| regress | ||
| ssl | ||
| subscription | ||
| Makefile | ||
| meson.build | ||
| README | ||
PostgreSQL tests ================ This directory contains a variety of test infrastructure as well as some of the tests in PostgreSQL. Not all tests are here -- in particular, there are more in individual contrib/ modules and in src/bin. Not all these tests get run by "make check". Check src/test/Makefile to see which tests get run automatically. authentication/ Tests for authentication (but see also below) examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level kerberos/ Tests for Kerberos/GSSAPI authentication and encryption ldap/ Tests for LDAP-based authentication locale/ Sanity checks for locale data, encodings, etc mb/ Tests for multibyte encoding (UTF-8) support modules/ Extensions used only or mainly for test purposes, generally not suitable for installing in production databases perl/ Infrastructure for Perl-based TAP tests recovery/ Test suite for recovery and replication regress/ PostgreSQL's main regression test suite, pg_regress ssl/ Tests to exercise and verify SSL certificate handling subscription/ Tests for logical replication