{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"low"},"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-2020-8912","title":"Title"},{"category":"description","text":"A vulnerability in the in-band key negotiation exists in the AWS S3 Crypto SDK for GoLang versions prior to V2. An attacker with write access to the targeted bucket can change the encryption algorithm of an object in the bucket, which can then allow them to change AES-GCM to AES-CTR. Using this in combination with a decryption oracle can reveal the authentication key used by AES-GCM as decrypting the GMAC tag leaves the authentication key recoverable as an algebraic equation. It is recommended to update your SDK to V2 or later, and re-encrypt your files.","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-2020-8912","url":"https://www.suse.com/security/cve/CVE-2020-8912"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2024:14599-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/QTUY324RV3FFZBHVIWDHRCIOPJHIJIN4/"}],"title":"SUSE CVE CVE-2020-8912","tracking":{"current_release_date":"2026-01-16T01:07:01Z","generator":{"date":"2024-12-21T03:15:10Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2020-8912","initial_release_date":"2024-12-21T03:15:10Z","revision_history":[{"date":"2024-12-21T03:15:10Z","number":"2","summary":"Current version"},{"date":"2025-02-15T06:25:02Z","number":"3","summary":"Current version"},{"date":"2025-02-17T06:46:28Z","number":"4","summary":"Current version"},{"date":"2025-03-15T10:06:58Z","number":"5","summary":"Current version"},{"date":"2025-04-25T05:40:56Z","number":"6","summary":"Current version"},{"date":"2025-11-04T01:15:52Z","number":"7","summary":"Current version"},{"date":"2026-01-16T01:07:01Z","number":"8","summary":"unknown changes"}],"status":"interim","version":"8"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Server 16.0","product":{"name":"SUSE Linux Enterprise Server 16.0","product_id":"SUSE Linux Enterprise Server 16.0","product_identification_helper":{"cpe":"cpe:/o:suse:sles:16:16.0:server"}}},{"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":"govulncheck-vulndb-0.0.20241213T205935-1.1","product":{"name":"govulncheck-vulndb-0.0.20241213T205935-1.1","product_id":"govulncheck-vulndb-0.0.20241213T205935-1.1","product_identification_helper":{"purl":"pkg:rpm/suse/govulncheck-vulndb@0.0.20241213T205935-1.1?upstream=govulncheck-vulndb-0.0.20241213T205935-1.1.src.rpm"}}},{"category":"product_version","name":"govulncheck-vulndb-0.0.20250814T182633-160000.1.2","product":{"name":"govulncheck-vulndb-0.0.20250814T182633-160000.1.2","product_id":"govulncheck-vulndb-0.0.20250814T182633-160000.1.2","product_identification_helper":{"purl":"pkg:rpm/suse/govulncheck-vulndb@0.0.20250814T182633-160000.1.2?upstream=govulncheck-vulndb-0.0.20250814T182633-160000.1.2.src.rpm"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"govulncheck-vulndb-0.0.20250814T182633-160000.1.2 as component of SUSE Linux Enterprise Server 16.0","product_id":"SUSE Linux Enterprise Server 16.0:govulncheck-vulndb-0.0.20250814T182633-160000.1.2"},"product_reference":"govulncheck-vulndb-0.0.20250814T182633-160000.1.2","relates_to_product_reference":"SUSE Linux Enterprise Server 16.0"},{"category":"default_component_of","full_product_name":{"name":"govulncheck-vulndb-0.0.20241213T205935-1.1 as component of openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed:govulncheck-vulndb-0.0.20241213T205935-1.1"},"product_reference":"govulncheck-vulndb-0.0.20241213T205935-1.1","relates_to_product_reference":"openSUSE Tumbleweed"}]},"vulnerabilities":[{"cve":"CVE-2020-8912","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2020-8912"}],"notes":[{"category":"general","text":"A vulnerability in the in-band key negotiation exists in the AWS S3 Crypto SDK for GoLang versions prior to V2. An attacker with write access to the targeted bucket can change the encryption algorithm of an object in the bucket, which can then allow them to change AES-GCM to AES-CTR. Using this in combination with a decryption oracle can reveal the authentication key used by AES-GCM as decrypting the GMAC tag leaves the authentication key recoverable as an algebraic equation. It is recommended to update your SDK to V2 or later, and re-encrypt your files.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Server 16.0:govulncheck-vulndb-0.0.20250814T182633-160000.1.2","openSUSE Tumbleweed:govulncheck-vulndb-0.0.20241213T205935-1.1"]},"references":[{"category":"external","summary":"CVE-2020-8912","url":"https://www.suse.com/security/cve/CVE-2020-8912"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2024:14599-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/QTUY324RV3FFZBHVIWDHRCIOPJHIJIN4/"}],"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 Linux Enterprise Server 16.0:govulncheck-vulndb-0.0.20250814T182633-160000.1.2","openSUSE Tumbleweed:govulncheck-vulndb-0.0.20241213T205935-1.1"]}],"scores":[{"cvss_v3":{"baseScore":2.5,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"products":["SUSE Linux Enterprise Server 16.0:govulncheck-vulndb-0.0.20250814T182633-160000.1.2","openSUSE Tumbleweed:govulncheck-vulndb-0.0.20241213T205935-1.1"]}],"threats":[{"category":"impact","date":"2020-08-11T22:33:16Z","details":"low"}],"title":"CVE-2020-8912"}]}