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FreeBSD: VID-76E0BB86-B4CB-11EB-B9C9-6CC21735F730: PostgreSQL -- Memory disclosure in partitioned-table UPDATE ... RETURNING

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FreeBSD: VID-76E0BB86-B4CB-11EB-B9C9-6CC21735F730: PostgreSQL -- Memory disclosure in partitioned-table UPDATE ... RETURNING

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/13/2021
Created
11/08/2022
Added
11/04/2022
Modified
11/04/2022

Description

The PostgreSQL project reports:

Using an UPDATE ... RETURNING on a purpose-crafted partitioned

table, an attacker can read arbitrary bytes of server memory. In the

default configuration, any authenticated database user can create

prerequisite objects and complete this attack at will. A user

lacking the CREATE and TEMPORARY privileges on all databases and the

CREATE privilege on all schemas typically cannot use this attack at

will.

Solution(s)

  • freebsd-upgrade-package-postgresql11-server
  • freebsd-upgrade-package-postgresql12-server
  • freebsd-upgrade-package-postgresql13-server

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