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CVE-2024-7348: PostgreSQL relation replacement during pg_dump executes arbitrary SQL

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-08 · updated 2026-06-17
• Weakness: CWE-367

Description

Time-of-check Time-of-use (TOCTOU) race condition in pg_dump in PostgreSQL allows an object creator to execute arbitrary SQL functions as the user running pg_dump, which is often a superuser. The attack involves replacing another relation type with a view or foreign table. The attack requires waiting for pg_dump to start, but winning the race condition is trivial if the attacker retains an open transaction. Versions before PostgreSQL 16.4, 15.8, 14.13, 13.16, and 12.20 are affected.

Affected products

• PostgreSQL: from 12.0 before 12.20; from 13.0 before 13.16; from 14.0 before 14.13; from 15.0 before 15.8; from 16.0 before 16.4 — fixed in 12.20, 13.16, 14.13, 15.8, 16.4

How to fix

Upgrade to a fixed version: PostgreSQL 12.20, 13.16, 14.13, 15.8. Check the vendor advisory for mitigations.

References

• https://www.postgresql.org/support/security/CVE-2024-7348/
• http://www.openwall.com/lists/oss-security/2024/08/11/1
• https://security.netapp.com/advisory/ntap-20240822-0002/

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