ESB-2019.1246 - [UNIX/Linux][SUSE] tar: Denial of service - Remote with user interaction 2019-04-11

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1246
                SUSE-SU-2019:0926-1 Security update for tar
                               11 April 2019

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

Product:           tar
Publisher:         SUSE
Operating System:  SUSE
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-9923 CVE-2018-20482 

Reference:         ESB-2019.0019

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2019/suse-su-20190926-1.html

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

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SUSE Security Update: Security update for tar

______________________________________________________________________________

Announcement ID:   SUSE-SU-2019:0926-1
Rating:            moderate
References:        #1120610 #1130496
Cross-References:  CVE-2018-20482 CVE-2019-9923
Affected Products:
                   SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
                   SUSE Linux Enterprise Module for Basesystem 15
______________________________________________________________________________

An update that fixes two vulnerabilities is now available.

Description:

This update for tar fixes the following issues:
Security issues fixed:

  o CVE-2019-9923: Fixed a denial of service while parsing certain archives
    with malformed extended headers in pax_decode_header() (bsc#1130496).
  o CVE-2018-20482: Fixed a denial of service when the '--sparse' option
    mishandles file shrinkage during read access (bsc#1120610).

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 Open Buildservice Development Tools 15:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-926=1
  o SUSE Linux Enterprise Module for Basesystem 15:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-926=1

Package List:

  o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
    (aarch64 ppc64le s390x x86_64):
       tar-debuginfo-1.30-3.3.2
       tar-debugsource-1.30-3.3.2
       tar-tests-1.30-3.3.2
       tar-tests-debuginfo-1.30-3.3.2
  o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
    (noarch):
       tar-backup-scripts-1.30-3.3.2
       tar-doc-1.30-3.3.2
  o SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x
    x86_64):
       tar-1.30-3.3.2
       tar-debuginfo-1.30-3.3.2
       tar-debugsource-1.30-3.3.2
       tar-rmt-1.30-3.3.2
       tar-rmt-debuginfo-1.30-3.3.2
  o SUSE Linux Enterprise Module for Basesystem 15 (noarch):
       tar-lang-1.30-3.3.2


References:

  o https://www.suse.com/security/cve/CVE-2018-20482.html
  o https://www.suse.com/security/cve/CVE-2019-9923.html
  o https://bugzilla.suse.com/1120610
  o https://bugzilla.suse.com/1130496

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