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Monday, April 12, 2021

ESB-2021.1203 – [UNIX/Linux][SUSE] umoci: Overwrite arbitrary files – Existing account

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.1203
                         Security update for umoci
                               12 April 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           umoci
Publisher:         SUSE
Operating System:  SUSE
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Overwrite Arbitrary Files -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-29136  

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20211116-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than SUSE. It is recommended that administrators 
         running umoci check for an updated version of the software for their
         operating system.

- --------------------------BEGIN INCLUDED TEXT--------------------

SUSE Security Update: Security update for umoci

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:1116-1
Rating:            important
References:        #1184147
Cross-References:  CVE-2021-29136
Affected Products:
                   SUSE Manager Server 4.0
                   SUSE Manager Retail Branch Server 4.0
                   SUSE Manager Proxy 4.0
                   SUSE Linux Enterprise Server for SAP 15-SP1
                   SUSE Linux Enterprise Server 15-SP1-LTSS
                   SUSE Linux Enterprise Server 15-SP1-BCL
                   SUSE Linux Enterprise Module for Containers 15-SP3
                   SUSE Linux Enterprise Module for Containers 15-SP2
                   SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS
                   SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS
                   SUSE Enterprise Storage 6
                   SUSE CaaS Platform 4.0
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for umoci fixes the following issues:

  o Update to umoci v0.4.6.
  o CVE-2021-29136: malicious layer allows overwriting of host files (bsc#
    1184147)

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 Manager Server 4.0:
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-1116=1
  o SUSE Manager Retail Branch Server 4.0:
    zypper in -t patch
    SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-1116=1
  o SUSE Manager Proxy 4.0:
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-1116=1
  o SUSE Linux Enterprise Server for SAP 15-SP1:
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2021-1116=1
  o SUSE Linux Enterprise Server 15-SP1-LTSS:
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-1116=1
  o SUSE Linux Enterprise Server 15-SP1-BCL:
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2021-1116=1
  o SUSE Linux Enterprise Module for Containers 15-SP3:
    zypper in -t patch SUSE-SLE-Module-Containers-15-SP3-2021-1116=1
  o SUSE Linux Enterprise Module for Containers 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Containers-15-SP2-2021-1116=1
  o SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-1116=1
  o SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-1116=1
  o SUSE Enterprise Storage 6:
    zypper in -t patch SUSE-Storage-6-2021-1116=1
  o SUSE CaaS Platform 4.0:
    To install this update, use the SUSE CaaS Platform 'skuba' tool. I will
    inform you if it detects new updates and let you then trigger updating of
    the complete cluster in a controlled way.

Package List:

  o SUSE Manager Server 4.0 (ppc64le s390x x86_64):
       umoci-0.4.6-3.9.1
  o SUSE Manager Retail Branch Server 4.0 (x86_64):
       umoci-0.4.6-3.9.1
  o SUSE Manager Proxy 4.0 (x86_64):
       umoci-0.4.6-3.9.1
  o SUSE Linux Enterprise Server for SAP 15-SP1 (ppc64le x86_64):
       umoci-0.4.6-3.9.1
  o SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):
       umoci-0.4.6-3.9.1
  o SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):
       umoci-0.4.6-3.9.1
  o SUSE Linux Enterprise Module for Containers 15-SP3 (aarch64 ppc64le s390x
    x86_64):
       umoci-0.4.6-3.9.1
  o SUSE Linux Enterprise Module for Containers 15-SP2 (aarch64 ppc64le s390x
    x86_64):
       umoci-0.4.6-3.9.1
  o SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64
    x86_64):
       umoci-0.4.6-3.9.1
  o SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64
    x86_64):
       umoci-0.4.6-3.9.1
  o SUSE Enterprise Storage 6 (aarch64 x86_64):
       umoci-0.4.6-3.9.1
  o SUSE CaaS Platform 4.0 (x86_64):
       umoci-0.4.6-3.9.1


References:

  o https://www.suse.com/security/cve/CVE-2021-29136.html
  o https://bugzilla.suse.com/1184147

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
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