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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.1874
                         Security update for dhcp
                                2 June 2021

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

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

Product:           dhcp
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-25217  

Reference:         ESB-2021.1834

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-202114740-1
   https://www.suse.com/support/update/announcement/2021/suse-su-20211822-1

Comment: This bulletin contains two (2) SUSE security advisories.

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

SUSE Security Update: Security update for dhcp

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:14740-1
Rating:            important
References:        #1186382
Cross-References:  CVE-2021-25217
Affected Products:
                   SUSE Linux Enterprise Server 11-SP4-LTSS
                   SUSE Linux Enterprise Point of Sale 11-SP3
                   SUSE Linux Enterprise Debuginfo 11-SP4
                   SUSE Linux Enterprise Debuginfo 11-SP3
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for dhcp fixes the following issues:

  o CVE-2021-25217: A buffer overrun in lease file parsing code can be used to
    exploit a common vulnerability shared by dhcpd and dhclient (bsc#1186382)

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 Server 11-SP4-LTSS:
    zypper in -t patch slessp4-dhcp-14740=1
  o SUSE Linux Enterprise Point of Sale 11-SP3:
    zypper in -t patch sleposp3-dhcp-14740=1
  o SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-dhcp-14740=1
  o SUSE Linux Enterprise Debuginfo 11-SP3:
    zypper in -t patch dbgsp3-dhcp-14740=1

Package List:

  o SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):
       dhcp-4.2.4.P2-0.28.12.1
       dhcp-client-4.2.4.P2-0.28.12.1
       dhcp-relay-4.2.4.P2-0.28.12.1
       dhcp-server-4.2.4.P2-0.28.12.1
  o SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
       dhcp-4.2.4.P2-0.28.12.1
       dhcp-client-4.2.4.P2-0.28.12.1
       dhcp-relay-4.2.4.P2-0.28.12.1
       dhcp-server-4.2.4.P2-0.28.12.1
  o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):
       dhcp-debuginfo-4.2.4.P2-0.28.12.1
       dhcp-debugsource-4.2.4.P2-0.28.12.1
  o SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
       dhcp-debuginfo-4.2.4.P2-0.28.12.1
       dhcp-debugsource-4.2.4.P2-0.28.12.1


References:

  o https://www.suse.com/security/cve/CVE-2021-25217.html
  o https://bugzilla.suse.com/1186382


- --------------------------------------------------------------------------------


SUSE Security Update: Security update for dhcp

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:1822-1
Rating:            important
References:        #1186382
Cross-References:  CVE-2021-25217
Affected Products:
                   SUSE OpenStack Cloud Crowbar 9
                   SUSE OpenStack Cloud Crowbar 8
                   SUSE OpenStack Cloud 9
                   SUSE OpenStack Cloud 8
                   SUSE Linux Enterprise Software Development Kit 12-SP5
                   SUSE Linux Enterprise Server for SAP 12-SP4
                   SUSE Linux Enterprise Server for SAP 12-SP3
                   SUSE Linux Enterprise Server 12-SP5
                   SUSE Linux Enterprise Server 12-SP4-LTSS
                   SUSE Linux Enterprise Server 12-SP3-LTSS
                   SUSE Linux Enterprise Server 12-SP3-BCL
                   SUSE Linux Enterprise Server 12-SP2-BCL
                   HPE Helion Openstack 8
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for dhcp fixes the following issues:

  o CVE-2021-25217: A buffer overrun in lease file parsing code can be used to
    exploit a common vulnerability shared by dhcpd and dhclient (bsc#1186382)

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 OpenStack Cloud Crowbar 9:
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-1822=1
  o SUSE OpenStack Cloud Crowbar 8:
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-1822=1
  o SUSE OpenStack Cloud 9:
    zypper in -t patch SUSE-OpenStack-Cloud-9-2021-1822=1
  o SUSE OpenStack Cloud 8:
    zypper in -t patch SUSE-OpenStack-Cloud-8-2021-1822=1
  o SUSE Linux Enterprise Software Development Kit 12-SP5:
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-1822=1
  o SUSE Linux Enterprise Server for SAP 12-SP4:
    zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-1822=1
  o SUSE Linux Enterprise Server for SAP 12-SP3:
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-1822=1
  o SUSE Linux Enterprise Server 12-SP5:
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-1822=1
  o SUSE Linux Enterprise Server 12-SP4-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-1822=1
  o SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1822=1
  o SUSE Linux Enterprise Server 12-SP3-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-1822=1
  o SUSE Linux Enterprise Server 12-SP2-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-1822=1
  o HPE Helion Openstack 8:
    zypper in -t patch HPE-Helion-OpenStack-8-2021-1822=1

Package List:

  o SUSE OpenStack Cloud Crowbar 9 (x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o SUSE OpenStack Cloud Crowbar 8 (x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o SUSE OpenStack Cloud 9 (x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o SUSE OpenStack Cloud 8 (x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le
    s390x x86_64):
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-devel-4.3.3-10.22.1
  o SUSE Linux Enterprise Server for SAP 12-SP4 (ppc64le x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o SUSE Linux Enterprise Server 12-SP4-LTSS (aarch64 ppc64le s390x x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o SUSE Linux Enterprise Server 12-SP3-LTSS (aarch64 ppc64le s390x x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1
  o HPE Helion Openstack 8 (x86_64):
       dhcp-4.3.3-10.22.1
       dhcp-client-4.3.3-10.22.1
       dhcp-client-debuginfo-4.3.3-10.22.1
       dhcp-debuginfo-4.3.3-10.22.1
       dhcp-debugsource-4.3.3-10.22.1
       dhcp-relay-4.3.3-10.22.1
       dhcp-relay-debuginfo-4.3.3-10.22.1
       dhcp-server-4.3.3-10.22.1
       dhcp-server-debuginfo-4.3.3-10.22.1


References:

  o https://www.suse.com/security/cve/CVE-2021-25217.html
  o https://bugzilla.suse.com/1186382

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