Oval Definition:oval:org.opensuse.security:def:59952
Revision Date:2020-12-01Version:1
Title:Security update for curl (Important)
Description:

This update for curl fixes the following issues:

Security issues fixed:

- CVE-2019-3823: Fixed a heap out-of-bounds read in the code handling the end-of-response for SMTP (bsc#1123378). - CVE-2019-3822: Fixed a stack based buffer overflow in the function creating an outgoing NTLM type-3 message (bsc#1123377). - CVE-2018-16890: Fixed a heap buffer out-of-bounds read in the function handling incoming NTLM type-2 messages (bsc#1123371).
Family:unixClass:patch
Status:Reference(s):1012382
1019695
1019699
1022604
1031717
1046610
1060799
1064206
1068032
1073059
1073069
1075428
1076033
1077560
1083574
1083745
1083836
1084223
1084310
1084328
1084353
1084452
1084610
1084699
1084829
1084889
1084898
1084914
1084918
1084967
1085042
1085058
1085224
1085383
1085402
1085404
1085487
1085507
1085511
1085679
1085981
1086015
1086162
1086194
1086357
1086499
1086518
1086607
1086690
1087088
1087211
1087231
1087260
1087274
1087659
1087845
1087906
1087999
1088050
1088087
1088241
1088267
1088313
1088324
1088600
1088684
1088871
1094150
1094154
1094161
1122012
1123371
1123377
1123378
1124729
1124734
1128378
1144903
1145559
1145604
1151021
1153108
1153158
1153161
1154862
1167068
1167231
1170558
1171363
1172402
1173576
1173613
1174633
1174635
1174638
1178512
682920
802154
936786
976955
CVE-2009-3894
CVE-2012-5112
CVE-2012-5133
CVE-2014-1344
CVE-2014-1384
CVE-2014-1385
CVE-2014-1386
CVE-2014-1387
CVE-2014-1388
CVE-2014-1389
CVE-2014-1390
CVE-2014-1748
CVE-2015-1071
CVE-2015-1076
CVE-2015-1081
CVE-2015-1083
CVE-2015-1120
CVE-2015-1122
CVE-2015-1127
CVE-2015-1153
CVE-2015-1155
CVE-2015-2330
CVE-2015-3239
CVE-2015-3658
CVE-2015-3659
CVE-2015-3727
CVE-2015-3731
CVE-2015-3741
CVE-2015-3743
CVE-2015-3745
CVE-2015-3747
CVE-2015-3748
CVE-2015-3749
CVE-2015-3752
CVE-2015-5788
CVE-2015-5794
CVE-2015-5801
CVE-2015-5809
CVE-2015-5822
CVE-2015-5928
CVE-2017-18257
CVE-2017-18269
CVE-2017-18379
CVE-2018-1091
CVE-2018-11236
CVE-2018-11237
CVE-2018-16890
CVE-2018-7740
CVE-2018-8043
CVE-2018-8822
CVE-2019-10220
CVE-2019-11500
CVE-2019-14835
CVE-2019-17133
CVE-2019-17498
CVE-2019-3822
CVE-2019-3823
CVE-2019-6974
CVE-2019-7221
CVE-2019-9213
CVE-2020-12108
CVE-2020-12137
CVE-2020-12402
CVE-2020-12405
CVE-2020-12406
CVE-2020-12410
CVE-2020-12415
CVE-2020-12416
CVE-2020-12417
CVE-2020-12418
CVE-2020-12419
CVE-2020-12420
CVE-2020-12421
CVE-2020-12422
CVE-2020-12423
CVE-2020-12424
CVE-2020-12425
CVE-2020-12426
CVE-2020-14345
CVE-2020-14346
CVE-2020-14347
CVE-2020-28196
SUSE-SU-2018:1048-1
SUSE-SU-2018:1562-1
SUSE-SU-2019:0284-1
SUSE-SU-2019:2454-1
SUSE-SU-2020:1563-1
SUSE-SU-2020:2331-1
Platform(s):openSUSE Leap 15.0
openSUSE Leap 15.1
SUSE Linux Enterprise Server 12 SP2-ESPOS
SUSE Linux Enterprise Server 12 SP3
SUSE Linux Enterprise Server 12 SP3-BCL
SUSE Linux Enterprise Server 12 SP3-ESPOS
SUSE Linux Enterprise Server 12 SP3-LTSS
SUSE Linux Enterprise Server 12 SP3-TERADATA
SUSE Linux Enterprise Server 12 SP4
SUSE Linux Enterprise Server 12 SP4-ESPOS
SUSE OpenStack Cloud 8
SUSE OpenStack Cloud 9
SUSE OpenStack Cloud Crowbar 8
SUSE OpenStack Cloud Crowbar 9
Product(s):
Definition Synopsis
  • openSUSE Leap 15.0 is installed
  • AND libopus0-1.2.1-lp150.1 is installed
  • Definition Synopsis
  • openSUSE Leap 15.1 is installed
  • AND squid-4.8-lp151.2.3 is installed
  • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP2-ESPOS is installed
  • AND Package Information
  • curl-7.37.0-37.34 is installed
  • OR libcurl4-7.37.0-37.34 is installed
  • OR libcurl4-32bit-7.37.0-37.34 is installed
  • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP3 is installed
  • AND dstat-0.7.2-1 is installed
  • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP3-BCL is installed
  • AND Package Information
  • freeradius-server-3.0.15-2.14 is installed
  • OR freeradius-server-doc-3.0.15-2.14 is installed
  • OR freeradius-server-krb5-3.0.15-2.14 is installed
  • OR freeradius-server-ldap-3.0.15-2.14 is installed
  • OR freeradius-server-libs-3.0.15-2.14 is installed
  • OR freeradius-server-mysql-3.0.15-2.14 is installed
  • OR freeradius-server-perl-3.0.15-2.14 is installed
  • OR freeradius-server-postgresql-3.0.15-2.14 is installed
  • OR freeradius-server-python-3.0.15-2.14 is installed
  • OR freeradius-server-sqlite-3.0.15-2.14 is installed
  • OR freeradius-server-utils-3.0.15-2.14 is installed
  • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP3-ESPOS is installed
  • AND Package Information
  • kgraft-patch-4_4_175-94_79-default-6-2 is installed
  • OR kgraft-patch-SLE12-SP3_Update_23-6-2 is installed
  • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP3-LTSS is installed
  • AND Package Information
  • kgraft-patch-4_4_162-94_69-default-6-2 is installed
  • OR kgraft-patch-SLE12-SP3_Update_21-6-2 is installed
  • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP3-TERADATA is installed
  • AND Package Information
  • tomcat-8.0.53-29.16 is installed
  • OR tomcat-admin-webapps-8.0.53-29.16 is installed
  • OR tomcat-docs-webapp-8.0.53-29.16 is installed
  • OR tomcat-el-3_0-api-8.0.53-29.16 is installed
  • OR tomcat-javadoc-8.0.53-29.16 is installed
  • OR tomcat-jsp-2_3-api-8.0.53-29.16 is installed
  • OR tomcat-lib-8.0.53-29.16 is installed
  • OR tomcat-servlet-3_1-api-8.0.53-29.16 is installed
  • OR tomcat-webapps-8.0.53-29.16 is installed
  • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP4 is installed
  • AND kdump-0.8.16-9 is installed
  • Definition Synopsis
  • SUSE Linux Enterprise Server 12 SP4-ESPOS is installed
  • AND Package Information
  • kernel-default-4.12.14-95.57 is installed
  • OR kernel-default-base-4.12.14-95.57 is installed
  • OR kernel-default-devel-4.12.14-95.57 is installed
  • OR kernel-devel-4.12.14-95.57 is installed
  • OR kernel-macros-4.12.14-95.57 is installed
  • OR kernel-source-4.12.14-95.57 is installed
  • OR kernel-syms-4.12.14-95.57 is installed
  • Definition Synopsis
  • SUSE OpenStack Cloud 8 is installed
  • AND Package Information
  • MozillaFirefox-68.9.0-109.123 is installed
  • OR MozillaFirefox-translations-common-68.9.0-109.123 is installed
  • Definition Synopsis
  • SUSE OpenStack Cloud 9 is installed
  • AND Package Information
  • ardana-ansible-9.0+git.1560211997.7ac9792-3.3 is installed
  • OR ardana-barbican-9.0+git.1559292830.208d258-3.3 is installed
  • OR ardana-cassandra-9.0+git.1557220194.6a90deb-3.3 is installed
  • OR ardana-ceilometer-9.0+git.1557219517.7b97993-3.3 is installed
  • OR ardana-cinder-9.0+git.1559039284.6fc1d47-3.3 is installed
  • OR ardana-cluster-9.0+git.1557219586.7c96a6d-3.3 is installed
  • OR ardana-cobbler-9.0+git.1557219626.b190680-3.3 is installed
  • OR ardana-db-9.0+git.1560868957.42bcb70-3.3 is installed
  • OR ardana-designate-9.0+git.1558588538.9211022-3.3 is installed
  • OR ardana-glance-9.0+git.1559033522.5e5be1c-3.3 is installed
  • OR ardana-heat-9.0+git.1559036788.b727b53-3.3 is installed
  • OR ardana-horizon-9.0+git.1557219807.6036a8e-3.3 is installed
  • OR ardana-input-model-9.0+git.1557220534.883f8c9-3.3 is installed
  • OR ardana-installer-ui-9.0+git.1559171053.476225c-3.3 is installed
  • OR ardana-ironic-9.0+git.1560365077.17250c6-3.3 is installed
  • OR ardana-keystone-9.0+git.1559292289.b5ed172-3.3 is installed
  • OR ardana-logging-9.0+git.1557219914.6d7ebb5-3.3 is installed
  • OR ardana-magnum-9.0+git.1557219960.226e32b-3.3 is installed
  • OR ardana-manila-9.0+git.1556646861.58ce24f-3.3 is installed
  • OR ardana-memcached-9.0+git.1557219995.cd49525-3.3 is installed
  • OR ardana-monasca-9.0+git.1556731170.c8210e0-3.3 is installed
  • OR ardana-monasca-transform-9.0+git.1557220073.7e88cfa-3.3 is installed
  • OR ardana-mq-9.0+git.1560214193.fc0378b-3.3 is installed
  • OR ardana-neutron-9.0+git.1560464557.d2f6200-3.3 is installed
  • OR ardana-nova-9.0+git.1559869848.7a706df-3.3 is installed
  • OR ardana-octavia-9.0+git.1560519270.e0a2620-3.3 is installed
  • OR ardana-opsconsole-9.0+git.1553642196.ba23382-3.3 is installed
  • OR ardana-opsconsole-ui-9.0+git.1555530925.206f1a8-4.3 is installed
  • OR ardana-osconfig-9.0+git.1560269313.7ddaff2-3.3 is installed
  • OR ardana-service-9.0+git.1560974342.47a5b12-3.3 is installed
  • OR ardana-service-ansible-9.0+git.1557220501.ebd3011-3.3 is installed
  • OR ardana-ses-9.0+git.1554740095.48252d3-3.3 is installed
  • OR ardana-spark-9.0+git.1557220247.e78d1c3-3.3 is installed
  • OR ardana-swift-9.0+git.1559038506.cc119d9-3.3 is installed
  • OR ardana-tempest-9.0+git.1560949748.f0bd816-3.3 is installed
  • OR ardana-tls-9.0+git.1557220381.5641a2e-3.3 is installed
  • OR caasp-openstack-heat-templates-1.0+git.1560518045.ad7dc6d-3.3 is installed
  • OR documentation-suse-openstack-cloud-deployment-9.20190621-3.3 is installed
  • OR documentation-suse-openstack-cloud-operations-9.20190621-3.3 is installed
  • OR documentation-suse-openstack-cloud-security-9.20190621-3.3 is installed
  • OR documentation-suse-openstack-cloud-supplement-9.20190621-3.3 is installed
  • OR galera-python-clustercheck-0.0+git.1562242499.36b8b64-6.3 is installed
  • OR grafana-5.3.3-3.3 is installed
  • OR grafana-monasca-ui-drilldown-1.14.1~dev7-3.3 is installed
  • OR openstack-ceilometer-11.0.2~dev13-3.3 is installed
  • OR openstack-ceilometer-agent-central-11.0.2~dev13-3.3 is installed
  • OR openstack-ceilometer-agent-compute-11.0.2~dev13-3.3 is installed
  • OR openstack-ceilometer-agent-ipmi-11.0.2~dev13-3.3 is installed
  • OR openstack-ceilometer-agent-notification-11.0.2~dev13-3.3 is installed
  • OR openstack-ceilometer-polling-11.0.2~dev13-3.3 is installed
  • OR openstack-cinder-13.0.6~dev12-3.3 is installed
  • OR openstack-cinder-api-13.0.6~dev12-3.3 is installed
  • OR openstack-cinder-backup-13.0.6~dev12-3.3 is installed
  • OR openstack-cinder-scheduler-13.0.6~dev12-3.3 is installed
  • OR openstack-cinder-volume-13.0.6~dev12-3.3 is installed
  • OR openstack-dashboard-14.0.4~dev4-3.3 is installed
  • OR openstack-designate-7.0.1~dev20-3.3 is installed
  • OR openstack-designate-agent-7.0.1~dev20-3.3 is installed
  • OR openstack-designate-api-7.0.1~dev20-3.3 is installed
  • OR openstack-designate-central-7.0.1~dev20-3.3 is installed
  • OR openstack-designate-producer-7.0.1~dev20-3.3 is installed
  • OR openstack-designate-sink-7.0.1~dev20-3.3 is installed
  • OR openstack-designate-worker-7.0.1~dev20-3.3 is installed
  • OR openstack-heat-11.0.3~dev5-3.3 is installed
  • OR openstack-heat-api-11.0.3~dev5-3.3 is installed
  • OR openstack-heat-api-cfn-11.0.3~dev5-3.3 is installed
  • OR openstack-heat-engine-11.0.3~dev5-3.3 is installed
  • OR openstack-heat-plugin-heat_docker-11.0.3~dev5-3.3 is installed
  • OR openstack-horizon-plugin-designate-ui-7.0.1~dev7-3.3 is installed
  • OR openstack-horizon-plugin-heat-ui-1.4.1~dev4-4.3 is installed
  • OR openstack-horizon-plugin-magnum-ui-5.0.2~dev9-3.3 is installed
  • OR openstack-horizon-plugin-monasca-ui-1.14.1~dev7-3.3 is installed
  • OR openstack-ironic-11.1.4~dev2-3.3 is installed
  • OR openstack-ironic-api-11.1.4~dev2-3.3 is installed
  • OR openstack-ironic-conductor-11.1.4~dev2-3.3 is installed
  • OR openstack-ironic-python-agent-3.3.2~dev13-3.3 is installed
  • OR openstack-keystone-14.1.1~dev7-3.3 is installed
  • OR openstack-magnum-7.1.1~dev24-3.3 is installed
  • OR openstack-magnum-api-7.1.1~dev24-3.3 is installed
  • OR openstack-magnum-conductor-7.1.1~dev24-3.3 is installed
  • OR openstack-manila-7.3.1~dev2-4.3 is installed
  • OR openstack-manila-api-7.3.1~dev2-4.3 is installed
  • OR openstack-manila-data-7.3.1~dev2-4.3 is installed
  • OR openstack-manila-scheduler-7.3.1~dev2-4.3 is installed
  • OR openstack-manila-share-7.3.1~dev2-4.3 is installed
  • OR openstack-monasca-agent-2.8.1~dev10-3.3 is installed
  • OR openstack-monasca-notification-1.14.1~dev8-6.3 is installed
  • OR openstack-neutron-13.0.4~dev89-3.3 is installed
  • OR openstack-neutron-dhcp-agent-13.0.4~dev89-3.3 is installed
  • OR openstack-neutron-fwaas-13.0.2~dev14-3.3 is installed
  • OR openstack-neutron-gbp-5.0.1~dev443-3.3 is installed
  • OR openstack-neutron-ha-tool-13.0.4~dev89-3.3 is installed
  • OR openstack-neutron-l3-agent-13.0.4~dev89-3.3 is installed
  • OR openstack-neutron-lbaas-13.0.1~dev12-3.3 is installed
  • OR openstack-neutron-lbaas-agent-13.0.1~dev12-3.3 is installed
  • OR openstack-neutron-linuxbridge-agent-13.0.4~dev89-3.3 is installed
  • OR openstack-neutron-macvtap-agent-13.0.4~dev89-3.3 is installed
  • OR openstack-neutron-metadata-agent-13.0.4~dev89-3.3 is installed
  • OR openstack-neutron-metering-agent-13.0.4~dev89-3.3 is installed
  • OR openstack-neutron-openvswitch-agent-13.0.4~dev89-3.3 is installed
  • OR openstack-neutron-server-13.0.4~dev89-3.3 is installed
  • OR openstack-neutron-vpnaas-13.0.2~dev4-3.3 is installed
  • OR openstack-neutron-vyatta-agent-13.0.2~dev4-3.3 is installed
  • OR openstack-nova-18.2.2~dev9-3.3 is installed
  • OR openstack-nova-api-18.2.2~dev9-3.3 is installed
  • OR openstack-nova-cells-18.2.2~dev9-3.3 is installed
  • OR openstack-nova-compute-18.2.2~dev9-3.3 is installed
  • OR openstack-nova-conductor-18.2.2~dev9-3.3 is installed
  • OR openstack-nova-console-18.2.2~dev9-3.3 is installed
  • OR openstack-nova-novncproxy-18.2.2~dev9-3.3 is installed
  • OR openstack-nova-placement-api-18.2.2~dev9-3.3 is installed
  • OR openstack-nova-scheduler-18.2.2~dev9-3.3 is installed
  • OR openstack-nova-serialproxy-18.2.2~dev9-3.3 is installed
  • OR openstack-nova-vncproxy-18.2.2~dev9-3.3 is installed
  • OR openstack-octavia-3.1.2~dev2-3.3 is installed
  • OR openstack-octavia-amphora-agent-3.1.2~dev2-3.3 is installed
  • OR openstack-octavia-api-3.1.2~dev2-3.3 is installed
  • OR openstack-octavia-health-manager-3.1.2~dev2-3.3 is installed
  • OR openstack-octavia-housekeeping-3.1.2~dev2-3.3 is installed
  • OR openstack-octavia-worker-3.1.2~dev2-3.3 is installed
  • OR python-ardana-configurationprocessor-9.0+git.1558039547.f0d0ddf-3.4 is installed
  • OR python-barbican-tempest-plugin-0.1.0-4.3 is installed
  • OR python-ceilometer-11.0.2~dev13-3.3 is installed
  • OR python-cinder-13.0.6~dev12-3.3 is installed
  • OR python-cinderclient-4.0.2-3.3 is installed
  • OR python-cinderclient-doc-4.0.2-3.3 is installed
  • OR python-cinderlm-0.0.2+git.1541454501.6148725-3.3 is installed
  • OR python-designate-7.0.1~dev20-3.3 is installed
  • OR python-heat-11.0.3~dev5-3.3 is installed
  • OR python-horizon-14.0.4~dev4-3.3 is installed
  • OR python-horizon-plugin-designate-ui-7.0.1~dev7-3.3 is installed
  • OR python-horizon-plugin-heat-ui-1.4.1~dev4-4.3 is installed
  • OR python-horizon-plugin-magnum-ui-5.0.2~dev9-3.3 is installed
  • OR python-horizon-plugin-monasca-ui-1.14.1~dev7-3.3 is installed
  • OR python-ironic-11.1.4~dev2-3.3 is installed
  • OR python-ironicclient-2.5.2-4.3 is installed
  • OR python-ironicclient-doc-2.5.2-4.3 is installed
  • OR python-keystone-14.1.1~dev7-3.3 is installed
  • OR python-magnum-7.1.1~dev24-3.3 is installed
  • OR python-manila-7.3.1~dev2-4.3 is installed
  • OR python-manila-tempest-plugin-0.1.0-3.3 is installed
  • OR python-manilaclient-1.24.2-3.3 is installed
  • OR python-manilaclient-doc-1.24.2-3.3 is installed
  • OR python-monasca-agent-2.8.1~dev10-3.3 is installed
  • OR python-monasca-notification-1.14.1~dev8-6.3 is installed
  • OR python-neutron-13.0.4~dev89-3.3 is installed
  • OR python-neutron-fwaas-13.0.2~dev14-3.3 is installed
  • OR python-neutron-gbp-5.0.1~dev443-3.3 is installed
  • OR python-neutron-lbaas-13.0.1~dev12-3.3 is installed
  • OR python-neutron-vpnaas-13.0.2~dev4-3.3 is installed
  • OR python-nova-18.2.2~dev9-3.3 is installed
  • OR python-octavia-3.1.2~dev2-3.3 is installed
  • OR python-openstack_auth-14.0.4~dev4-3.3 is installed
  • OR python-os-brick-2.5.7-3.3 is installed
  • OR python-os-brick-common-2.5.7-3.3 is installed
  • OR python-oslo.db-4.40.2-3.3 is installed
  • OR python-proliantutils-2.8.4-1 is installed
  • OR supportutils-plugin-suse-openstack-cloud-9.0.1562324636.e7046a3-1 is installed
  • OR venv-openstack-barbican-7.0.1~dev18-3.2 is installed
  • OR venv-openstack-barbican-x86_64-7.0.1~dev18-3.2 is installed
  • OR venv-openstack-cinder-13.0.6~dev12-3.2 is installed
  • OR venv-openstack-cinder-x86_64-13.0.6~dev12-3.2 is installed
  • OR venv-openstack-designate-7.0.1~dev20-3.3 is installed
  • OR venv-openstack-designate-x86_64-7.0.1~dev20-3.3 is installed
  • OR venv-openstack-glance-17.0.1~dev16-3.3 is installed
  • OR venv-openstack-glance-x86_64-17.0.1~dev16-3.3 is installed
  • OR venv-openstack-heat-11.0.3~dev5-3.3 is installed
  • OR venv-openstack-heat-x86_64-11.0.3~dev5-3.3 is installed
  • OR venv-openstack-horizon-14.0.4~dev4-4.3 is installed
  • OR venv-openstack-horizon-x86_64-14.0.4~dev4-4.3 is installed
  • OR venv-openstack-ironic-11.1.4~dev2-4.3 is installed
  • OR venv-openstack-ironic-x86_64-11.1.4~dev2-4.3 is installed
  • OR venv-openstack-keystone-14.1.1~dev7-3.3 is installed
  • OR venv-openstack-keystone-x86_64-14.1.1~dev7-3.3 is installed
  • OR venv-openstack-magnum-7.1.1~dev24-4.3 is installed
  • OR venv-openstack-magnum-x86_64-7.1.1~dev24-4.3 is installed
  • OR venv-openstack-manila-7.3.1~dev2-3.3 is installed
  • OR venv-openstack-manila-x86_64-7.3.1~dev2-3.3 is installed
  • OR venv-openstack-monasca-2.7.1~dev10-3.3 is installed
  • OR venv-openstack-monasca-ceilometer-1.8.2~dev3-3.3 is installed
  • OR venv-openstack-monasca-ceilometer-x86_64-1.8.2~dev3-3.3 is installed
  • OR venv-openstack-monasca-x86_64-2.7.1~dev10-3.3 is installed
  • OR venv-openstack-neutron-13.0.4~dev89-6.3 is installed
  • OR venv-openstack-neutron-x86_64-13.0.4~dev89-6.3 is installed
  • OR venv-openstack-nova-18.2.2~dev9-3.3 is installed
  • OR venv-openstack-nova-x86_64-18.2.2~dev9-3.3 is installed
  • OR venv-openstack-octavia-3.1.2~dev2-4.3 is installed
  • OR venv-openstack-octavia-x86_64-3.1.2~dev2-4.3 is installed
  • OR venv-openstack-sahara-9.0.2~dev9-3.3 is installed
  • OR venv-openstack-sahara-x86_64-9.0.2~dev9-3.3 is installed
  • Definition Synopsis
  • SUSE OpenStack Cloud Crowbar 8 is installed
  • AND Package Information
  • dovecot22-2.2.31-19.17 is installed
  • OR dovecot22-backend-mysql-2.2.31-19.17 is installed
  • OR dovecot22-backend-pgsql-2.2.31-19.17 is installed
  • OR dovecot22-backend-sqlite-2.2.31-19.17 is installed
  • Definition Synopsis
  • SUSE OpenStack Cloud Crowbar 9 is installed
  • AND python-SQLAlchemy-1.2.10-3.3 is installed
  • BACK