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PostgreSQL: CVE-2020-1720: ALTER ... DEPENDS ON EXTENSION is missing authorization checks.

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PostgreSQL: CVE-2020-1720: ALTER ... DEPENDS ON EXTENSION is missing authorization checks.

Severity
4
CVSS
(AV:N/AC:M/Au:S/C:N/I:P/A:N)
Published
02/14/2020
Created
02/15/2020
Added
02/14/2020
Modified
11/26/2021

Description

A flaw was found in PostgreSQL's "ALTER ... DEPENDS ON EXTENSION", where sub-commands did not perform authorization checks. An authenticated attacker could use this flaw in certain configurations to perform drop objects such as function, triggers, et al., leading to database corruption. This issue affects PostgreSQL versions before 12.2, before 11.7, before 10.12 and before 9.6.17.

Solution(s)

  • postgres-upgrade-10_12
  • postgres-upgrade-11_7
  • postgres-upgrade-12_2

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