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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== 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 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYLbKCONLKJtyKPYoAQg4dg/9E5l4tBL30k1SzCVV5+o5cC7eDQ05ZsAh 8nmh6zPKNr+UbfHfSrI11AFTwU9EA7j2rwflTDUCT/pI9WSgWOvkuDudpmaizrm9 57qgx9DIJD6Hum5Qs6hOo1zbHAumhurwhGQ0S386bgN1f4Tin6AYuAJZ8xXxPs/A VWYoeaFBd7Y53Jua6ox3vJ4ySHqhxePfH2xv3yxxl9akJJ4emABYNc30FHBnUuwF AfTA/EpcSTai0LmJOi5ijuCle26BaAbRUgxyZaUXdLxV5WydN75wNYEkxCiqv3bH uZ1m0pmdX4uKNJi97pkzWnn06AOcGet51pyNgpwTF/TJ82Q4jxzbD5f1BAUQ5Ycw lCZI3nSBQc9POKSlZ9P53h7HMHI2GmQzEKc9atPV+9LbXYmvk6DkFW0JylIUWIH5 r3Nx8TUeHK1/s/NlpAX1jL6FfGu7XmkDjL2BSwVcrxtlbBmysm3+Wv+XLifKOZjG y4IllFy+4ga2wEM/xXlM0cZLWuWMxKVOsViW2f/+Y3aI4Gl5jnpx84tN+jjJzy8L ruRDnG+We80IzJze1z8P3W3O/PXRQbDLvIMm/5xRW+/MwfhpHuc6/mX/6Aq9p/Od 9+fi+pKoS59aQYo4hf4SoShS/VmcQY6DYId8JiTqBjyoa4kuC0g68Xqe60WbnWGc wKUm9DfgYok= =d+q8 -----END PGP SIGNATURE-----