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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3862 Security update for bind 12 November 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: bind Publisher: SUSE Operating System: SUSE Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-25219 Reference: ESB-2021.3706 ESB-2021.3647 ESB-2021.3629 ESB-2021.3616 Original Bulletin: https://www.suse.com/support/update/announcement/2021/suse-su-20213657-1 - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for bind ______________________________________________________________________________ Announcement ID: SUSE-SU-2021:3657-1 Rating: important References: #1192146 Cross-References: CVE-2021-25219 Affected Products: SUSE Linux Enterprise Software Development Kit 12-SP5 SUSE Linux Enterprise Server 12-SP5 ______________________________________________________________________________ An update that fixes one vulnerability is now available. Description: This update for bind fixes the following issues: o CVE-2021-25219: Fixed lame cache that could have been abused to severely degrade resolver performance (bsc#1192146). 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 Software Development Kit 12-SP5: zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-3657=1 o SUSE Linux Enterprise Server 12-SP5: zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-3657=1 Package List: o SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le s390x x86_64): bind-debuginfo-9.11.22-3.37.1 bind-debugsource-9.11.22-3.37.1 bind-devel-9.11.22-3.37.1 o SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64): bind-9.11.22-3.37.1 bind-chrootenv-9.11.22-3.37.1 bind-debuginfo-9.11.22-3.37.1 bind-debugsource-9.11.22-3.37.1 bind-utils-9.11.22-3.37.1 bind-utils-debuginfo-9.11.22-3.37.1 libbind9-161-9.11.22-3.37.1 libbind9-161-debuginfo-9.11.22-3.37.1 libdns1110-9.11.22-3.37.1 libdns1110-debuginfo-9.11.22-3.37.1 libirs161-9.11.22-3.37.1 libirs161-debuginfo-9.11.22-3.37.1 libisc1107-9.11.22-3.37.1 libisc1107-debuginfo-9.11.22-3.37.1 libisccc161-9.11.22-3.37.1 libisccc161-debuginfo-9.11.22-3.37.1 libisccfg163-9.11.22-3.37.1 libisccfg163-debuginfo-9.11.22-3.37.1 liblwres161-9.11.22-3.37.1 liblwres161-debuginfo-9.11.22-3.37.1 o SUSE Linux Enterprise Server 12-SP5 (s390x x86_64): libisc1107-32bit-9.11.22-3.37.1 libisc1107-debuginfo-32bit-9.11.22-3.37.1 o SUSE Linux Enterprise Server 12-SP5 (noarch): bind-doc-9.11.22-3.37.1 python-bind-9.11.22-3.37.1 References: o https://www.suse.com/security/cve/CVE-2021-25219.html o https://bugzilla.suse.com/1192146 - --------------------------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. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYY22uuNLKJtyKPYoAQgLMw//dovym+m8UJHOnrHiSIAiz6UFSTZaxNkk N/3UL3dB11i4q2O8saqTzf11vQP9mjZx1iYuaT0Z0m3lVDkL7+nbAd9AmyQob3Ka 73M3mtMyF2VEzZlB+wZ4ufRquQ3PFP8ElRR0VLgShgkiD4mYG0OfGBMkx3y9Ib+0 DJU8VPpqpz4Z9oLGgtTOtm65kVZIPGzM2dMx1tnRf/hyjap7b7/oeNOyKtwLFAtO gb4+aF7Afsgnsoj0rb8bEzpg5mnS+tKyB6e/+TpvfvvhCwUWRDjbs62/5EERkgyI Liewn0XqY8DQCp5TU6xZqfnDqcBQgKu8JbZutOkUvKcW3HhP4PYIJfudBtNYoxNF 9IdQcaWfbz8L9zMNGcHYWRwwwK6gVFy5/A/FziknAd/rS41lOwQ/8MM7NUXfi536 en+OWS3qVj0ujcUY7z05qFXji+8Ok/aHRIEbrHrDK/KBD3RIXNnkyg6HJgekv/Jp 19aYSiFDwBKDr54osP1fZxxjDjrUByKnRxTvOtvhL9lzVnrbKCIUDGM5U2xRno8p EVfGe/0X4KPAnz/Db9LeEQNPwE405My6vTjVU1CsMsjXcKx+ZLTBqhaIwoUot+D2 kBnJh2zPClRq3WBrE3783CEUHt36j0x50fW2gucwxxfu/0fsdKMEFYfUHKQkvDZw b7C1nhZzeq8= =4hZK -----END PGP SIGNATURE-----