high
8.1
CWE
862 285
Advisory Published
CVE Published
Updated

CVE-2020-1720

First published: Thu Feb 06 2020(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/rh-postgresql10-postgresql<0:10.12-2.el7
0:10.12-2.el7
redhat/rh-postgresql96-postgresql<0:9.6.19-1.el7
0:9.6.19-1.el7
redhat/rh-postgresql12-postgresql<0:12.4-1.el7
0:12.4-1.el7
IBM Data Risk Manager<=2.0.6
redhat/PostgreSQL<12.2
12.2
redhat/PostgreSQL<11.7
11.7
redhat/PostgreSQL<10.12
10.12
redhat/PostgreSQL<9.6.17
9.6.17
PostgreSQL PostgreSQL>=9.6<9.6.17
PostgreSQL PostgreSQL>=10.0<10.12
PostgreSQL PostgreSQL>=11.0<11.7
PostgreSQL PostgreSQL>=12.0<12.2
Redhat Decision Manager=7.0
Redhat Software Collections
Redhat Enterprise Linux=8.0

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1720

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-1720?

    CVE-2020-1720 is a vulnerability found in PostgreSQL's ALTER ... DEPENDS ON EXTENSION sub-commands that allows an authenticated attacker to perform unauthorized drop objects leading to database corruption.

  • How severe is CVE-2020-1720?

    CVE-2020-1720 is considered a high severity vulnerability with a severity score of 8.1 out of 10.

  • Which versions of PostgreSQL are affected by CVE-2020-1720?

    Versions 12.2, 11.7, 10.12, and 9.6.17 of PostgreSQL are affected by CVE-2020-1720.

  • How can an attacker exploit CVE-2020-1720?

    An authenticated attacker can exploit CVE-2020-1720 in certain configurations by using the ALTER ... DEPENDS ON EXTENSION command to drop objects such as functions and triggers, leading to database corruption.

  • What is the remedy for CVE-2020-1720?

    To fix CVE-2020-1720, you should upgrade to PostgreSQL versions 12.3, 11.9, 10.15, or 9.6.20, depending on the affected version.

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