CVE-2020-1720

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.

How to fix CVE-2020-1720

To remediate CVE-2020-1720, upgrade the affected package to a fixed version below.

• —upgrade to 11.7-r0 or later
• —upgrade to 12.2-r0 or later
• —upgrade to 12.2-r0 or later
• —upgrade to 9.6.17 or later
• —upgrade to 11.7-0+deb10u1 or later
• —upgrade to 9.4.26-0+deb8u1 or later
• —upgrade to 9.6.17-0+deb9u1 or later

Is CVE-2020-1720 being exploited?

Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.

Affected packages (7)

• from 0, < 11.7-r0
• from 0, < 12.2-r0
• from 0, < 12.2-r0
• >= 9.6.0, < 9.6.17, >= 10.0.0, < 10.12.0, >= 11.0.0, < 11.7.0, >= 12.0.0, < 12.2.0
• from 0, < 11.7-0+deb10u1
• from 0, < 9.4.26-0+deb8u1
• from 0, < 9.6.17-0+deb9u1

CVSS scores

References (5)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2020-1720
• WEBlists.opensuse.org/opensuse-security-announce/2020-08/msg00043.html
• WEBbugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1720
• WEBnvd.nist.gov/vuln/detail/CVE-2020-1720
• WEB