{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"critical"},"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-2021-31439","title":"Title"},{"category":"description","text":"This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","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-2021-31439","url":"https://www.suse.com/security/cve/CVE-2021-31439"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1197352 for CVE-2021-31439","url":"https://bugzilla.suse.com/1197352"},{"category":"external","summary":"Advisory link for SUSE-SU-2022:1184-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2022-April/010700.html"}],"title":"SUSE CVE CVE-2021-31439","tracking":{"current_release_date":"2025-10-07T02:31:09Z","generator":{"date":"2023-02-15T03:41:24Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2021-31439","initial_release_date":"2023-02-15T03:41:24Z","revision_history":[{"date":"2023-02-15T03:41:24Z","number":"2","summary":"Current version"},{"date":"2025-01-01T04:28:18Z","number":"3","summary":"Current version"},{"date":"2025-01-17T00:51:33Z","number":"4","summary":"Current version"},{"date":"2025-02-15T05:03:01Z","number":"5","summary":"Current version"},{"date":"2025-02-17T05:25:25Z","number":"6","summary":"Current version"},{"date":"2025-03-15T08:55:37Z","number":"7","summary":"Current version"},{"date":"2025-04-25T04:41:40Z","number":"8","summary":"Current version"},{"date":"2025-10-07T02:31:09Z","number":"9","summary":"Current version"}],"status":"interim","version":"9"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"SUSE 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Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Server 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Server 12 SP5:netatalk-3.1.0-3.8.1","SUSE Linux Enterprise Server 12 SP5:netatalk-devel-3.1.0-3.8.1","SUSE Linux Enterprise Server for SAP Applications 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Server for SAP Applications 12 SP5:netatalk-3.1.0-3.8.1","SUSE Linux Enterprise Server for SAP Applications 12 SP5:netatalk-devel-3.1.0-3.8.1","SUSE Linux Enterprise Software Development Kit 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Software Development Kit 12 SP5:netatalk-3.1.0-3.8.1","SUSE Linux Enterprise Software Development Kit 12 SP5:netatalk-devel-3.1.0-3.8.1","SUSE Linux Enterprise Workstation Extension 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Workstation Extension 12 SP5:netatalk-3.1.0-3.8.1"]},"references":[{"category":"external","summary":"CVE-2021-31439","url":"https://www.suse.com/security/cve/CVE-2021-31439"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1197352 for CVE-2021-31439","url":"https://bugzilla.suse.com/1197352"},{"category":"external","summary":"Advisory link for SUSE-SU-2022:1184-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2022-April/010700.html"}],"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 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Server 12 SP5:netatalk-3.1.0-3.8.1","SUSE Linux Enterprise Server 12 SP5:netatalk-devel-3.1.0-3.8.1","SUSE Linux Enterprise Server for SAP Applications 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Server for SAP Applications 12 SP5:netatalk-3.1.0-3.8.1","SUSE Linux Enterprise Server for SAP Applications 12 SP5:netatalk-devel-3.1.0-3.8.1","SUSE Linux Enterprise Software Development Kit 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Software Development Kit 12 SP5:netatalk-3.1.0-3.8.1","SUSE Linux Enterprise Software Development Kit 12 SP5:netatalk-devel-3.1.0-3.8.1","SUSE Linux Enterprise Workstation Extension 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Workstation Extension 12 SP5:netatalk-3.1.0-3.8.1"]}],"scores":[{"cvss_v3":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Server 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Server 12 SP5:netatalk-3.1.0-3.8.1","SUSE Linux Enterprise Server 12 SP5:netatalk-devel-3.1.0-3.8.1","SUSE Linux Enterprise Server for SAP Applications 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Server for SAP Applications 12 SP5:netatalk-3.1.0-3.8.1","SUSE Linux Enterprise Server for SAP Applications 12 SP5:netatalk-devel-3.1.0-3.8.1","SUSE Linux Enterprise Software Development Kit 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Software Development Kit 12 SP5:netatalk-3.1.0-3.8.1","SUSE Linux Enterprise Software Development Kit 12 SP5:netatalk-devel-3.1.0-3.8.1","SUSE Linux Enterprise Workstation Extension 12 SP5:libatalk12-3.1.0-3.8.1","SUSE Linux Enterprise Workstation Extension 12 SP5:netatalk-3.1.0-3.8.1"]}],"threats":[{"category":"impact","date":"2021-04-30T09:59:41Z","details":"critical"}],"title":"CVE-2021-31439"}]}