Improper access control in PostgreSQL - CVE-2020-25694

 

Improper access control in PostgreSQL - CVE-2020-25694

Published: November 16, 2020 / Updated: November 16, 2020


Vulnerability identifier: #VU48437
CSH Severity: Medium
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-25694
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can perform a man-in-the-middle attack or observe clear-text transmissions and downgrade connection security settings.


Affected software

PostgreSQL
Arch Linux
Gentoo Linux
Amazon Linux AMI
CentOS
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Ubuntu
openEuler
Fedora
postgresql (Alpine package)
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
postgresql (Red Hat package)
rh-postgresql10-postgresql (Red Hat package)
rh-postgresql12-postgresql (Red Hat package)
libpq (Red Hat package)
postgresql-9.5 (Ubuntu package)
postgresql-help
postgresql-plperl
postgresql-devel
postgresql-plpython3
postgresql-pltcl
postgresql-libs
postgresql-debuginfo
postgresql-static
postgresql-test-rpm-macros
postgresql-debugsource
postgresql-contrib
postgresql-test
postgresql
postgresql-server
postgresql-10 (Ubuntu package)
postgresql-12 (Ubuntu package)
Red Hat Software Collections
IBM Security Verify Access
Zoho ManageEngine OpManager
Analytics Content Hub
XtremIO X2
Dell Security Management Server
Dell EMC Unity Operating Environment (OE)
Dell EMC Unity VSA Operating Environment (OE)
Dell EMC Unity XT Operating Environment (OE)

How to mitigate CVE-2020-25694

Install updates from vendor's website.

PostgreSQL - addressed in versions 9.5.24, 9.6.20, 10.15, 11.10, 12.5, 13.1
postgresql (Red Hat package) - update to 9.2.24-6.el7_9
rh-postgresql10-postgresql (Red Hat package) - update to 10.15-1.el7
rh-postgresql12-postgresql (Red Hat package) - update to 12.5-1.el7
libpq (Red Hat package) - addressed in versions 12.5-1.el8_0, 12.5-1.el8_2, 12.5-1.el8_3, 12.5-2.el8_1
Zoho ManageEngine OpManager - update to 12.5 125397
Analytics Content Hub - update to 2.3
Dell EMC Unity Operating Environment (OE) - update to 5.1.2.0.5.007
Dell EMC Unity VSA Operating Environment (OE) - update to 5.1.2.0.5.007
Dell EMC Unity XT Operating Environment (OE) - update to 5.1.2.0.5.007
XtremIO X2 - update to 6.4.1-11
postgresql-9.5 (Ubuntu package) - update to 9.5.24-0ubuntu0.16.04.1
postgresql-help - update to 10.5-19
postgresql-plperl - update to 10.5-19
postgresql-devel - update to 10.5-19
postgresql-plpython3 - update to 10.5-19
postgresql-pltcl - update to 10.5-19
postgresql-libs - update to 10.5-19
postgresql-debuginfo - update to 10.5-19
postgresql-static - update to 10.5-19
postgresql-test-rpm-macros - update to 10.5-19
postgresql-debugsource - update to 10.5-19
postgresql-contrib - update to 10.5-19
postgresql-test - update to 10.5-19
postgresql - update to 10.5-19
postgresql-server - update to 10.5-19
postgresql-10 (Ubuntu package) - update to 10.15-0ubuntu0.18.04.1
postgresql - addressed in versions 10-3220210113115521.43bbeeef, 10-3320210113115521.601d93de, 11-3220210113151114.43bbeeef, 11-3320210114142718.601d93de, 12-3320210119180006.601d93de
Dell Security Management Server - update to 11.0.1
postgresql-12 (Ubuntu package) - addressed in versions 12.5-0ubuntu0.20.04.1, 12.5-0ubuntu0.20.10.1

External References

Related Security Bulletins