Memory leak in PostgreSQL - CVE-2021-32028

 

Memory leak in PostgreSQL - CVE-2021-32028

Published: May 13, 2021


Vulnerability identifier: #VU53232
CSH Severity: Medium
CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N]
CVE-ID: CVE-2021-32028
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due memory leak within the INSERT ... ON CONFLICT ... DO UPDATE command implementation. A remote authenticated database user can execute the affected command to read arbitrary bytes of server memory. In the default configuration, any authenticated database user can create prerequisite objects and complete this attack at will.


Affected software

PostgreSQL
Arch Linux
Gentoo Linux
SUSE CaaS Platform
SUSE Enterprise Storage
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Anolis OS
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
HPE Helion Openstack
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Module for Server Applications
SUSE Linux Enterprise Module for Legacy Software
Ubuntu
openEuler
MicroSCADA X SYS600
MicroSCADA Pro SYS600
MicroSCADA X DMS600
Red Hat Software Collections
IBM Qradar SIEM
Zoho ManageEngine OpManager
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
rh-postgresql10-postgresql (Red Hat package)
postgresql-11 (Debian package)
rh-postgresql12-postgresql (Red Hat package)
SUSE Linux Enterprise Module for Packagehub Subpackages
postgres-decoderbufs
pgaudit
postgresql-test-rpm-macros
postgresql-plpython3
postgresql-test
postgresql-static
postgresql-server-devel
postgresql-server
postgresql-pltcl
postgresql-contrib
postgresql-plperl
postgresql-docs
postgresql
postgresql-libs
postgresql-debuginfo
postgresql-devel
postgresql-help
postgresql-debugsource
postgresql-10 (Ubuntu package)
postgresql-upgrade
postgresql-upgrade-devel
postgresql10-plperl-debuginfo
postgresql10-plperl
postgresql10-pltcl-debuginfo
postgresql10-debuginfo
postgresql10-contrib-debuginfo
postgresql10-contrib
postgresql10
postgresql10-devel-debuginfo
postgresql10-devel
postgresql10-debugsource
postgresql10-plpython-debuginfo
postgresql10-pltcl
postgresql10-server
postgresql10-server-debuginfo
postgresql10-docs
postgresql10-plpython
libecpg6
libecpg6-debuginfo
libpq5
libpq5-debuginfo
libpq5-32bit-debuginfo
libpq5-32bit
libpq
libpq-debuginfo
libpq-devel
libpq-debugsource
postgresql-12 (Ubuntu package)
postgresql12-server-devel
postgresql12-devel-debuginfo
postgresql12-devel
postgresql12-debugsource
postgresql12-docs
postgresql12-server-devel-debuginfo
postgresql12
postgresql12-contrib
postgresql12-contrib-debuginfo
postgresql12-debuginfo
postgresql12-plperl
postgresql12-plperl-debuginfo
postgresql12-plpython
postgresql12-plpython-debuginfo
postgresql12-pltcl
postgresql12-pltcl-debuginfo
postgresql12-server
postgresql12-server-debuginfo
postgresql-13 (Ubuntu package)
rh-postgresql13-postgresql (Red Hat package)
postgresql13-debugsource
postgresql13-pltcl-debuginfo
postgresql13-docs
libpq5-debuginfo-32bit
postgresql13-server-debuginfo
postgresql13-server
postgresql13-pltcl
postgresql13-plpython-debuginfo
postgresql13-plpython
postgresql13-plperl-debuginfo
postgresql13-plperl
postgresql13-contrib-debuginfo
postgresql13-server-devel-debuginfo
postgresql13-server-devel
postgresql13-devel-debuginfo
postgresql13-devel
postgresql13-debuginfo
postgresql13
postgresql13-contrib
postgresql13-test
IBM Security Verify Access
EMC Data Protection Advisor
IBM Sterling Connect:Direct Web Services
Dell EMC Unity XT Operating Environment (OE)
Dell EMC Unity VSA Operating Environment (OE)
Dell EMC Unity Operating Environment (OE)
Dell EMC VxRail Appliance

How to mitigate CVE-2021-32028

Install updates from vendor's website.

PostgreSQL - addressed in versions 9.6.22, 10.17, 11.12, 12.7, 13.3
MicroSCADA X SYS600 - update to 10.3
MicroSCADA Pro SYS600 - update to 10.3
MicroSCADA X DMS600 - update to 4.6
IBM Qradar SIEM - addressed in versions 7.3.3 Fix Pack 10, 7.4.3 Fix Pack 4
rh-postgresql10-postgresql (Red Hat package) - update to 10.17-1.el7
postgresql-11 (Debian package) - update to 11.12-0+deb10u1
rh-postgresql12-postgresql (Red Hat package) - update to 12.7-1.el7
Zoho ManageEngine OpManager - update to 12.5 125397
EMC Data Protection Advisor - update to 19.5
postgres-decoderbufs - update to 0.10.0-2
pgaudit - addressed in versions 1.4.0-6, 1.5.0-1
Dell EMC Unity XT 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 Operating Environment (OE) - update to 5.1.2.0.5.007
IBM Sterling Connect:Direct Web Services - update to 6.1.0.7
Dell EMC VxRail Appliance - update to 7.0.203
postgresql-test-rpm-macros - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql-plpython3 - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql-test - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql-static - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql-server-devel - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql-server - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql-pltcl - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql-contrib - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql-plperl - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql-docs - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql - addressed in versions 9.6.22-1, 10.17-1, 12.7-1, 13.3-1
postgresql-test - update to 10.5-22
postgresql - update to 10.5-22
postgresql-static - update to 10.5-22
postgresql-contrib - update to 10.5-22
postgresql-plperl - update to 10.5-22
postgresql-libs - update to 10.5-22
postgresql-debuginfo - update to 10.5-22
postgresql-devel - update to 10.5-22
postgresql-help - update to 10.5-22
postgresql-pltcl - update to 10.5-22
postgresql-test-rpm-macros - update to 10.5-22
postgresql-server - update to 10.5-22
postgresql-plpython3 - update to 10.5-22
postgresql-debugsource - update to 10.5-22
postgresql-10 (Ubuntu package) - update to 10.17-0ubuntu0.18.04.1
postgresql-upgrade - addressed in versions 10.17-1, 12.7-1, 13.3-1
postgresql-upgrade-devel - addressed in versions 10.17-1, 12.7-1, 13.3-1
postgresql10-plperl-debuginfo - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-plperl - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-pltcl-debuginfo - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-debuginfo - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-contrib-debuginfo - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-contrib - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10 - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-devel-debuginfo - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-devel - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-debugsource - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-plpython-debuginfo - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-pltcl - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-server - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-server-debuginfo - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-docs - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
postgresql10-plpython - addressed in versions 10.17-4.16.4, 10.17-4.35.1, 10.17-8.35.1, 10.18-4.19.6
libecpg6 - addressed in versions 10.17-4.35.1, 12.12-150100.3.33.1, 13.3-3.9.3, 13.3-5.10.1
libecpg6-debuginfo - addressed in versions 10.17-4.35.1, 12.12-150100.3.33.1, 13.3-3.9.3, 13.3-5.10.1
libpq5 - addressed in versions 10.17-4.35.1, 12.12-150100.3.33.1, 13.3-3.9.3, 13.3-5.10.1
libpq5-debuginfo - addressed in versions 10.17-4.35.1, 12.12-150100.3.33.1, 13.3-3.9.3, 13.3-5.10.1
libpq5-32bit-debuginfo - addressed in versions 10.17-4.35.1, 12.12-150100.3.33.1, 13.3-5.10.1
libpq5-32bit - addressed in versions 10.17-4.35.1, 12.12-150100.3.33.1, 13.3-3.9.3, 13.3-5.10.1
libpq - update to 11.16-1
libpq-debuginfo - update to 11.16-1
libpq-devel - update to 11.16-1
libpq-debugsource - update to 11.16-1
postgresql-12 (Ubuntu package) - addressed in versions 12.7-0ubuntu0.20.04.1, 12.7-0ubuntu0.20.10.1
postgresql12-server-devel - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-devel-debuginfo - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-devel - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-debugsource - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-docs - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-server-devel-debuginfo - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12 - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-contrib - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-contrib-debuginfo - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-debuginfo - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-plperl - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-plperl-debuginfo - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-plpython - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-plpython-debuginfo - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-pltcl - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-pltcl-debuginfo - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-server - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql12-server-debuginfo - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
postgresql-13 (Ubuntu package) - update to 13.3-0ubuntu0.21.04.1
rh-postgresql13-postgresql (Red Hat package) - update to 13.3-1.el7
postgresql13-debugsource - addressed in versions 13.3-3.9.2, 13.3-3.9.3, 13.3-5.10.1
postgresql13-pltcl-debuginfo - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-docs - addressed in versions 13.3-3.9.3, 13.3-5.10.1
libpq5-debuginfo-32bit - update to 13.3-3.9.3
postgresql13-server-debuginfo - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-server - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-pltcl - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-plpython-debuginfo - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-plpython - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-plperl-debuginfo - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-plperl - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-contrib-debuginfo - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-server-devel-debuginfo - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-server-devel - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-devel-debuginfo - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-devel - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-debuginfo - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13 - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-contrib - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-test - update to 13.3-5.10.1

External References

Related Security Bulletins