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Gentoo: GLSA 202409-02 High: PostgreSQL Privilege Escalation Advisory

gentoo
Calendar Grey September 22, 2024
Dist Gentoo Esm H88
Critical alert issued for MySQL on Fedora OS highlights potential access escalation vulnerabilities with essential patching instructions.
A vulnerability has been discovered in PostgreSQL, which can lead to privilege escalation.

Summary

A vulnerability has been discovered in PostgreSQL. Please review the CVE identifier referenced below for details.

Topics%20covered

Topics Covered

security advisory high severity privilege escalation PostgreSQL Gentoo Linux

Resolution

All PostgreSQL users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-db/postgresql-12.20:12" # emerge --ask --oneshot --verbose ">=dev-db/postgresql-13.16:13" # emerge --ask --oneshot --verbose ">=dev-db/postgresql-14.13:14" # emerge --ask --oneshot --verbose ">=dev-db/postgresql-15.8:15" # emerge --ask --oneshot --verbose ">=dev-db/postgresql-16.4:16"

References

[ 1 ] CVE-2024-7348 https://nvd.nist.gov/vuln/detail/CVE-2024-7348

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202409-02
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: PostgreSQL: Privilege Escalation
Date: September 22, 2024
Bugs: #937573
ID: 202409-02

Topics%20covered

Topics Covered

security advisory high severity privilege escalation PostgreSQL Gentoo Linux

Synopsis

A vulnerability has been discovered in PostgreSQL, which can lead to privilege escalation.

Background

PostgreSQL is an open source object-relational database management system.

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Affected Packages

Package Vulnerable Unaffected ----------------- ------------ ------------ dev-db/postgresql < 12.20:12 >= 12.20:12 < 13.16:13 >= 13.16:13 < 14.13:14 >= 14.13:14 < 15.8:15 >= 15.8:15 < 16.4:16 >= 16.4:16

Impact

An attacker able to create and drop non-temporary objects could inject SQL code that would be executed by a concurrent pg_dump session with the privileges of the role running pg_dump (which is often a superuser). The attack involves replacing a sequence or similar object with a view or foreign table that will execute malicious code. To prevent this, introduce a new server parameter restrict_nonsystem_relation_kind that can disable expansion of non-builtin views as well as access to foreign tables, and teach pg_dump to set it when available. Note that the attack is prevented only if both pg_dump and the server it is dumping from are new enough to have this fix.

Workaround

There is no known workaround at this time.

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