{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for knot","title":"Title of the patch"},{"category":"description","text":"This update for knot fixes the following issues:\n\n- CVE-2017-11104: Fixed an improper implementation of TSIG protocol \n  which could have allowed an attacker with a valid key name and \n  algorithm to bypass TSIG authentication (boo#1047841).\n","title":"Description of the patch"},{"category":"details","text":"openSUSE-2020-1086","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2020_1086-1.json"},{"category":"self","summary":"URL for openSUSE-SU-2020:1086-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/EDKX5CE6MK2VASOOPBWA54NF2Y3GTCZ5/"},{"category":"self","summary":"E-Mail link for openSUSE-SU-2020:1086-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/EDKX5CE6MK2VASOOPBWA54NF2Y3GTCZ5/"},{"category":"self","summary":"SUSE Bug 1047841","url":"https://bugzilla.suse.com/1047841"},{"category":"self","summary":"SUSE CVE CVE-2017-11104 page","url":"https://www.suse.com/security/cve/CVE-2017-11104/"}],"title":"Security update for knot","tracking":{"current_release_date":"2020-07-26T14:26:08Z","generator":{"date":"2020-07-26T14:26:08Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"openSUSE-SU-2020:1086-1","initial_release_date":"2020-07-26T14:26:08Z","revision_history":[{"date":"2020-07-26T14:26:08Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"knot-1.6.8-lp152.5.3.1.x86_64","product":{"name":"knot-1.6.8-lp152.5.3.1.x86_64","product_id":"knot-1.6.8-lp152.5.3.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"openSUSE Leap 15.2","product":{"name":"openSUSE Leap 15.2","product_id":"openSUSE Leap 15.2","product_identification_helper":{"cpe":"cpe:/o:opensuse:leap:15.2"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"knot-1.6.8-lp152.5.3.1.x86_64 as component of openSUSE Leap 15.2","product_id":"openSUSE Leap 15.2:knot-1.6.8-lp152.5.3.1.x86_64"},"product_reference":"knot-1.6.8-lp152.5.3.1.x86_64","relates_to_product_reference":"openSUSE Leap 15.2"}]},"vulnerabilities":[{"cve":"CVE-2017-11104","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2017-11104"}],"notes":[{"category":"general","text":"Knot DNS before 2.4.5 and 2.5.x before 2.5.2 contains a flaw within the TSIG protocol implementation that would allow an attacker with a valid key name and algorithm to bypass TSIG authentication if no additional ACL restrictions are set, because of an improper TSIG validity period check.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Leap 15.2:knot-1.6.8-lp152.5.3.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2017-11104","url":"https://www.suse.com/security/cve/CVE-2017-11104"},{"category":"external","summary":"SUSE Bug 1047841 for CVE-2017-11104","url":"https://bugzilla.suse.com/1047841"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["openSUSE Leap 15.2:knot-1.6.8-lp152.5.3.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":5.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"products":["openSUSE Leap 15.2:knot-1.6.8-lp152.5.3.1.x86_64"]}],"threats":[{"category":"impact","date":"2020-07-26T14:26:08Z","details":"moderate"}],"title":"CVE-2017-11104"}]}