Memory leak in PostgreSQL - CVE-2021-32029

Vulnerability identifier: #VU53233

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-2021-32029

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due memory leak when processing UPDATE ... RETURNING command on a purpose-crafted partitioned table. A remote authenticated user can run the affected command and read arbitrary bytes of server memory. In the default configuration, any authenticated database user can create prerequisite objects and complete this attack at will.

PostgreSQL
Arch Linux
SUSE CaaS Platform
SUSE Enterprise Storage
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
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 Server - AUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
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
Red Hat Software Collections
IBM Connect Direct for Microsoft Windows
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-11 (Debian package)
rh-postgresql12-postgresql (Red Hat package)
SUSE Linux Enterprise Module for Packagehub Subpackages
postgres-decoderbufs
pgaudit
postgresql-10 (Ubuntu package)
postgresql-12 (Ubuntu package)
postgresql
postgresql-contrib
postgresql-docs
postgresql-plperl
postgresql-plpython3
postgresql-pltcl
postgresql-server
postgresql-static
postgresql-test
postgresql-upgrade
postgresql-upgrade-devel
postgresql-test-rpm-macros
postgresql-server-devel
postgresql12-server-debuginfo
postgresql12-debugsource
postgresql12-devel
postgresql12-devel-debuginfo
postgresql12-server-devel
postgresql12-server-devel-debuginfo
postgresql12
postgresql12-contrib
postgresql12-contrib-debuginfo
postgresql12-plperl
postgresql12-docs
postgresql12-server
postgresql12-pltcl-debuginfo
postgresql12-pltcl
postgresql12-plpython-debuginfo
postgresql12-debuginfo
postgresql12-plpython
postgresql12-plperl-debuginfo
libpq5-debuginfo
libpq5
libecpg6
libecpg6-debuginfo
libpq5-32bit
libpq5-32bit-debuginfo
postgresql-13 (Ubuntu package)
rh-postgresql13-postgresql (Red Hat package)
postgresql13-debugsource
postgresql13-plperl-debuginfo
postgresql13-plpython-debuginfo
postgresql13-plperl
postgresql13-debuginfo
postgresql13-contrib-debuginfo
postgresql13-contrib
postgresql13
postgresql13-server-devel-debuginfo
postgresql13-server-devel
postgresql13-devel-debuginfo
postgresql13-devel
postgresql13-plpython
postgresql13-pltcl
postgresql13-pltcl-debuginfo
postgresql13-server
postgresql13-server-debuginfo
libpq5-debuginfo-32bit
postgresql13-docs
postgresql13-test
IBM Security Verify Access
Zoho ManageEngine OpManager
EMC Data Protection Advisor

Install updates from vendor's website.

PostgreSQL - addressed in versions 11.12, 12.7, 13.3
IBM Connect Direct for Microsoft Windows - addressed in versions 6.0.0.4 iFix036, 6.1.0.2 iFix020
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
postgresql-10 (Ubuntu package) - update to 10.17-0ubuntu0.18.04.1
postgresql-12 (Ubuntu package) - addressed in versions 12.7-0ubuntu0.20.04.1, 12.7-0ubuntu0.20.10.1
postgresql - addressed in versions 12.7-1, 13.3-1
postgresql-contrib - addressed in versions 12.7-1, 13.3-1
postgresql-docs - addressed in versions 12.7-1, 13.3-1
postgresql-plperl - addressed in versions 12.7-1, 13.3-1
postgresql-plpython3 - addressed in versions 12.7-1, 13.3-1
postgresql-pltcl - addressed in versions 12.7-1, 13.3-1
postgresql-server - addressed in versions 12.7-1, 13.3-1
postgresql-static - addressed in versions 12.7-1, 13.3-1
postgresql-test - addressed in versions 12.7-1, 13.3-1
postgresql-upgrade - addressed in versions 12.7-1, 13.3-1
postgresql-upgrade-devel - addressed in versions 12.7-1, 13.3-1
postgresql-test-rpm-macros - addressed in versions 12.7-1, 13.3-1
postgresql-server-devel - addressed in versions 12.7-1, 13.3-1
postgresql12-server-debuginfo - 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-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-server-devel - 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-plperl - 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 - 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-pltcl - 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-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-plperl-debuginfo - addressed in versions 12.7-3.15.3, 12.7-8.20.1, 12.12-150100.3.33.1
libpq5-debuginfo - addressed in versions 12.12-150100.3.33.1, 13.3-3.9.3, 13.3-5.10.1
libpq5 - addressed in versions 12.12-150100.3.33.1, 13.3-3.9.3, 13.3-5.10.1
libecpg6 - addressed in versions 12.12-150100.3.33.1, 13.3-3.9.3, 13.3-5.10.1
libecpg6-debuginfo - addressed in versions 12.12-150100.3.33.1, 13.3-3.9.3, 13.3-5.10.1
libpq5-32bit - addressed in versions 12.12-150100.3.33.1, 13.3-3.9.3, 13.3-5.10.1
libpq5-32bit-debuginfo - addressed in versions 12.12-150100.3.33.1, 13.3-5.10.1
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-plperl-debuginfo - 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-plperl - 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-contrib-debuginfo - 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 - 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-plpython - 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-pltcl-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-server-debuginfo - addressed in versions 13.3-3.9.3, 13.3-5.10.1
libpq5-debuginfo-32bit - update to 13.3-3.9.3
postgresql13-docs - addressed in versions 13.3-3.9.3, 13.3-5.10.1
postgresql13-test - update to 13.3-5.10.1

• https://www.postgresql.org/about/news/postgresql-133-127-1112-1017-and-9622-released-2210/

• Multiple vulnerabilities in PostgreSQL
• Debian update for postgresql-11
• Zoho ManageEngine OpManager update for PostgreSQL
• Arch Linux update for postgresql
• Red Hat Enterprise Linux 8.4 update for the postgresql:13 module
• Red Hat Enterprise Linux 8.4 update for the postgresql:12 module
• Red Hat Enterprise Linux TUS 8.2 update for the postgresql:12 module
• Red Hat Software Collections update for rh-postgresql12-postgresql
• Red Hat Software Collections update for rh-postgresql13-postgresql
• IBM Connect Direct for Microsoft Windows update for PostgreSQL
• Multiple vulnerabilities in IBM Security Verify Access
• SUSE update for postgresql12
• SUSE update for postgresql13
• SUSE update for postgresql13
• SUSE update for postgresql12
• SUSE update for postgresql13
• Ubuntu update for postgresql-10
• SUSE update for postgresql12
• Multiple vulnerabilities in Dell EMC Data Protection Advisor (DPA)
• Anolis OS update for postgresql:12 (Anolis OS 8.4) module
• Anolis OS update for postgresql:13 module