ESB-2021.1491 – [SUSE] containerd, docker and runc: Multiple vulnerabilities

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AUSCERT External Security Bulletin Redistribution

ESB-2021.1491
Security update for containerd, docke and runc
3 May 2021

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AusCERT Security Bulletin Summary
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Product: containerd
docker
runc
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands — Remote/Unauthenticated
Root Compromise — Existing Account
Denial of Service — Remote/Unauthenticated
Access Confidential Data — Remote/Unauthenticated
Unauthorised Access — Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-21334 CVE-2021-21285 CVE-2021-21284
CVE-2019-19921 CVE-2019-16884 CVE-2019-5736
CVE-2018-16875 CVE-2018-16874 CVE-2018-16873

Reference: ESB-2021.0891
ESB-2021.0734
ESB-2020.2186
ESB-2020.1505
ESB-2020.1231

Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20211458-1

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SUSE Security Update: Security update for containerd, docker, runc

______________________________________________________________________________

Announcement ID: SUSE-SU-2021:1458-1
Rating: important
References: #1028638 #1034053 #1048046 #1051429 #1053532 #1095817
#1118897 #1118898 #1118899 #1121967 #1131314 #1131553
#1149954 #1152308 #1160452 #1168481 #1175081 #1175821
#1181594 #1181641 #1181677 #1181730 #1181732 #1181749
#1182451 #1182476 #1182947 #1183024 #1183397 #1183855
#1184768 #1184962
Cross-References: CVE-2018-16873 CVE-2018-16874 CVE-2018-16875 CVE-2019-16884
CVE-2019-19921 CVE-2019-5736 CVE-2021-21284 CVE-2021-21285
CVE-2021-21334
Affected Products:
SUSE Linux Enterprise Module for Containers 12
______________________________________________________________________________

An update that solves 9 vulnerabilities and has 23 fixes is now available.

Description:

This update for containerd, docker, runc fixes the following issues:

o Docker was updated to 20.10.6-ce * Switch version to use -ce suffix rather
than _ce to avoid confusing other tools (bsc#1182476). * CVE-2021-21284:
Fixed a potential privilege escalation when the root user in the remapped
namespace has access to the host filesystem (bsc#1181732) * CVE-2021-21285:
Fixed an issue where pulling a malformed Docker image manifest crashes the
dockerd daemon (bsc#1181730).

o runc was updated to v1.0.0~rc93 (bsc#1182451 and bsc#1184962). * Use the
upstream runc package (bsc#1181641, bsc#1181677, bsc#1175821). * Fixed /dev
/null is not available (bsc#1168481). * Fixed an issue where podman hangs
when spawned by salt-minion process (bsc#1149954). * CVE-2019-19921: Fixed
a race condition with shared mounts (bsc#1160452). * CVE-2019-16884: Fixed
an LSM bypass via malicious Docker image that mount over a /proc directory
(bsc#1152308). * CVE-2019-5736: Fixed potential write attacks to the host
runc binary (bsc#1121967). * Fixed an issue where after a kernel-update
docker doesn’t run (bsc#1131314 bsc#1131553) * Ensure that we always
include the version information in runc (bsc#1053532).

o Switch to Go 1.13 for build. * CVE-2018-16873: Fixed a potential remote
code execution (bsc#1118897). * CVE-2018-16874: Fixed a directory traversal
in “go get” via curly braces in import paths (bsc#1118898). *
CVE-2018-16875: Fixed a CPU denial of service (bsc#1118899). * Fixed an
issue with building containers (bsc#1095817).

o containerd was updated to v1.4.4 * CVE-2021-21334: Fixed a potential
information leak through environment variables (bsc#1183397). * Handle a
requirement from docker (bsc#1181594). * Install the containerd-shim*
binaries and stop creating (bsc#1183024). * update version to the one
required by docker (bsc#1034053)

o Use -buildmode=pie for tests and binary build (bsc#1048046, bsc#1051429)
o Cleanup seccomp builds similar (bsc#1028638).
o Update to handle the docker-runc removal, and drop the -kubic flavour (bsc#
1181677, bsc#1181749)

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or “zypper patch”.
Alternatively you can run the command listed for your product:

o SUSE Linux Enterprise Module for Containers 12:
zypper in -t patch SUSE-SLE-Module-Containers-12-2021-1458=1

Package List:

o SUSE Linux Enterprise Module for Containers 12 (ppc64le s390x x86_64):
containerd-1.4.4-16.38.1
docker-20.10.6_ce-98.66.1
docker-debuginfo-20.10.6_ce-98.66.1
runc-1.0.0~rc93-16.8.1
runc-debuginfo-1.0.0~rc93-16.8.1

References:

o https://www.suse.com/security/cve/CVE-2018-16873.html
o https://www.suse.com/security/cve/CVE-2018-16874.html
o https://www.suse.com/security/cve/CVE-2018-16875.html
o https://www.suse.com/security/cve/CVE-2019-16884.html
o https://www.suse.com/security/cve/CVE-2019-19921.html
o https://www.suse.com/security/cve/CVE-2019-5736.html
o https://www.suse.com/security/cve/CVE-2021-21284.html
o https://www.suse.com/security/cve/CVE-2021-21285.html
o https://www.suse.com/security/cve/CVE-2021-21334.html
o https://bugzilla.suse.com/1028638
o https://bugzilla.suse.com/1034053
o https://bugzilla.suse.com/1048046
o https://bugzilla.suse.com/1051429
o https://bugzilla.suse.com/1053532
o https://bugzilla.suse.com/1095817
o https://bugzilla.suse.com/1118897
o https://bugzilla.suse.com/1118898
o https://bugzilla.suse.com/1118899
o https://bugzilla.suse.com/1121967
o https://bugzilla.suse.com/1131314
o https://bugzilla.suse.com/1131553
o https://bugzilla.suse.com/1149954
o https://bugzilla.suse.com/1152308
o https://bugzilla.suse.com/1160452
o https://bugzilla.suse.com/1168481
o https://bugzilla.suse.com/1175081
o https://bugzilla.suse.com/1175821
o https://bugzilla.suse.com/1181594
o https://bugzilla.suse.com/1181641
o https://bugzilla.suse.com/1181677
o https://bugzilla.suse.com/1181730
o https://bugzilla.suse.com/1181732
o https://bugzilla.suse.com/1181749
o https://bugzilla.suse.com/1182451
o https://bugzilla.suse.com/1182476
o https://bugzilla.suse.com/1182947
o https://bugzilla.suse.com/1183024
o https://bugzilla.suse.com/1183397
o https://bugzilla.suse.com/1183855
o https://bugzilla.suse.com/1184768
o https://bugzilla.suse.com/1184962

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NOTE: Third Party Rights
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NOTE: This is only the original release of the security bulletin. It may
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Australian Computer Emergency Response Team
The University of Queensland
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Qld 4072

Internet Email: auscert@auscert.org.au
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