{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_vex","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":"SUSE CVE-2021-42072","title":"Title"},{"category":"description","text":"An issue was discovered in Barrier before 2.4.0. The barriers component (aka the server-side implementation of Barrier) does not sufficiently verify the identify of connecting clients. Clients can thus exploit weaknesses in the provided protocol to cause denial-of-service or stage further attacks that could lead to information leaks or integrity corruption.","title":"Description of the CVE"},{"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":"CVE-2021-42072","url":"https://www.suse.com/security/cve/CVE-2021-42072"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:1498-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/74GXCIF4KQYNWDBG745K5PJQT5VK2BHK/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:1595-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/3HJIFZZMEQZI47KRZYVOPBZN725K3KS3/"}],"title":"SUSE CVE CVE-2021-42072","tracking":{"current_release_date":"2025-03-15T08:39:01Z","generator":{"date":"2023-02-15T03:37:20Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2021-42072","initial_release_date":"2023-02-15T03:37:20Z","revision_history":[{"date":"2023-02-15T03:37:20Z","number":"2","summary":"Current version"},{"date":"2025-01-01T04:10:33Z","number":"3","summary":"Current version"},{"date":"2025-02-15T04:45:20Z","number":"4","summary":"Current version"},{"date":"2025-02-17T05:07:54Z","number":"5","summary":"Current version"},{"date":"2025-03-15T08:39:01Z","number":"6","summary":"Current version"}],"status":"interim","version":"6"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"SUSE Package Hub 15 SP3","product":{"name":"SUSE Package Hub 15 SP3","product_id":"SUSE Package Hub 15 SP3"}},{"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_name","name":"openSUSE Leap 15.3","product":{"name":"openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3","product_identification_helper":{"cpe":"cpe:/o:opensuse:leap:15.3"}}},{"category":"product_name","name":"openSUSE Tumbleweed","product":{"name":"openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed","product_identification_helper":{"cpe":"cpe:/o:opensuse:tumbleweed"}}},{"category":"product_version","name":"barrier-2.4.0-1.1","product":{"name":"barrier-2.4.0-1.1","product_id":"barrier-2.4.0-1.1","product_identification_helper":{"purl":"pkg:rpm/suse/barrier@2.4.0-1.1"}}},{"category":"product_version","name":"barrier-2.4.0-bp153.2.3.1","product":{"name":"barrier-2.4.0-bp153.2.3.1","product_id":"barrier-2.4.0-bp153.2.3.1","product_identification_helper":{"purl":"pkg:rpm/suse/barrier@2.4.0-bp153.2.3.1"}}},{"category":"product_version","name":"barrier-2.4.0-lp152.3.6.1","product":{"name":"barrier-2.4.0-lp152.3.6.1","product_id":"barrier-2.4.0-lp152.3.6.1","product_identification_helper":{"purl":"pkg:rpm/suse/barrier@2.4.0-lp152.3.6.1"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"barrier-2.4.0-bp153.2.3.1 as component of SUSE Package Hub 15 SP3","product_id":"SUSE Package Hub 15 SP3:barrier-2.4.0-bp153.2.3.1"},"product_reference":"barrier-2.4.0-bp153.2.3.1","relates_to_product_reference":"SUSE Package Hub 15 SP3"},{"category":"default_component_of","full_product_name":{"name":"barrier-2.4.0-lp152.3.6.1 as component of openSUSE Leap 15.2","product_id":"openSUSE Leap 15.2:barrier-2.4.0-lp152.3.6.1"},"product_reference":"barrier-2.4.0-lp152.3.6.1","relates_to_product_reference":"openSUSE Leap 15.2"},{"category":"default_component_of","full_product_name":{"name":"barrier-2.4.0-bp153.2.3.1 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:barrier-2.4.0-bp153.2.3.1"},"product_reference":"barrier-2.4.0-bp153.2.3.1","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"barrier-2.4.0-1.1 as component of openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed:barrier-2.4.0-1.1"},"product_reference":"barrier-2.4.0-1.1","relates_to_product_reference":"openSUSE Tumbleweed"}]},"vulnerabilities":[{"cve":"CVE-2021-42072","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2021-42072"}],"notes":[{"category":"general","text":"An issue was discovered in Barrier before 2.4.0. The barriers component (aka the server-side implementation of Barrier) does not sufficiently verify the identify of connecting clients. Clients can thus exploit weaknesses in the provided protocol to cause denial-of-service or stage further attacks that could lead to information leaks or integrity corruption.","title":"CVE description"}],"product_status":{"recommended":["SUSE Package Hub 15 SP3:barrier-2.4.0-bp153.2.3.1","openSUSE Leap 15.2:barrier-2.4.0-lp152.3.6.1","openSUSE Leap 15.3:barrier-2.4.0-bp153.2.3.1","openSUSE Tumbleweed:barrier-2.4.0-1.1"]},"references":[{"category":"external","summary":"CVE-2021-42072","url":"https://www.suse.com/security/cve/CVE-2021-42072"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:1498-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/74GXCIF4KQYNWDBG745K5PJQT5VK2BHK/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:1595-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/3HJIFZZMEQZI47KRZYVOPBZN725K3KS3/"}],"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":["SUSE Package Hub 15 SP3:barrier-2.4.0-bp153.2.3.1","openSUSE Leap 15.2:barrier-2.4.0-lp152.3.6.1","openSUSE Leap 15.3:barrier-2.4.0-bp153.2.3.1","openSUSE Tumbleweed:barrier-2.4.0-1.1"]}],"scores":[{"cvss_v3":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Package Hub 15 SP3:barrier-2.4.0-bp153.2.3.1","openSUSE Leap 15.2:barrier-2.4.0-lp152.3.6.1","openSUSE Leap 15.3:barrier-2.4.0-bp153.2.3.1","openSUSE Tumbleweed:barrier-2.4.0-1.1"]}],"threats":[{"category":"impact","date":"2021-08-11T08:03:50Z","details":"moderate"}],"title":"CVE-2021-42072"}]}