{"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-2023-49284","title":"Title"},{"category":"description","text":"fish is a smart and user-friendly command line shell for macOS, Linux, and the rest of the family. fish shell uses certain Unicode non-characters internally for marking wildcards and expansions. It will incorrectly allow these markers to be read on command substitution output, rather than transforming them into a safe internal representation. While this may cause unexpected behavior with direct input (for example, echo \\UFDD2HOME has the same output as echo $HOME), this may become a minor security problem if the output is being fed from an external program into a command substitution where this output may not be expected. This design flaw was introduced in very early versions of fish, predating the version control system, and is thought to be present in every version of fish released in the last 15 years or more, although with different characters. Code execution does not appear to be possible, but denial of service (through large brace expansion) or information disclosure (such as variable expansion) is potentially possible under certain circumstances. fish shell 3.6.2 has been released to correct this issue. Users are advised to upgrade. There are no known workarounds for this vulnerability.","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-2023-49284","url":"https://www.suse.com/security/cve/CVE-2023-49284"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1217808 for CVE-2023-49284","url":"https://bugzilla.suse.com/1217808"},{"category":"external","summary":"Advisory link for openSUSE-SU-2023:0404-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ID5OSVJXPI7OW4ZTAPE4ZJUJIM5HRF37/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2023:0405-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/S6BKN7QOVK7LIAFEI3YVTBXDS7YGI6B3/"}],"title":"SUSE CVE CVE-2023-49284","tracking":{"current_release_date":"2026-03-12T09:57:26Z","generator":{"date":"2023-12-06T02:04:28Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2023-49284","initial_release_date":"2023-12-06T02:04:28Z","revision_history":[{"date":"2023-12-06T02:04:28Z","number":"2","summary":"Current version"},{"date":"2023-12-12T01:05:37Z","number":"3","summary":"Current version"},{"date":"2023-12-17T01:52:32Z","number":"4","summary":"Current version"},{"date":"2025-01-01T01:50:33Z","number":"5","summary":"Current version"},{"date":"2025-01-04T01:58:08Z","number":"6","summary":"Current version"},{"date":"2025-02-14T06:08:04Z","number":"7","summary":"Current version"},{"date":"2025-02-16T06:01:12Z","number":"8","summary":"Current version"},{"date":"2025-03-15T06:04:51Z","number":"9","summary":"Current version"},{"date":"2025-04-25T02:23:59Z","number":"10","summary":"Current version"},{"date":"2025-11-03T02:40:48Z","number":"11","summary":"Current version"},{"date":"2026-01-23T03:09:09Z","number":"12","summary":"unknown changes"},{"date":"2026-03-12T09:57:26Z","number":"13","summary":"unknown changes"}],"status":"interim","version":"13"}},"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:16.0"}}},{"category":"product_name","name":"SUSE Package Hub 15 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Page","text":"https://www.suse.com/security/cve/CVE-2023-49284"}],"notes":[{"category":"general","text":"fish is a smart and user-friendly command line shell for macOS, Linux, and the rest of the family. fish shell uses certain Unicode non-characters internally for marking wildcards and expansions. It will incorrectly allow these markers to be read on command substitution output, rather than transforming them into a safe internal representation. While this may cause unexpected behavior with direct input (for example, echo \\UFDD2HOME has the same output as echo $HOME), this may become a minor security problem if the output is being fed from an external program into a command substitution where this output may not be expected. This design flaw was introduced in very early versions of fish, predating the version control system, and is thought to be present in every version of fish released in the last 15 years or more, although with different characters. Code execution does not appear to be possible, but denial of service (through large brace expansion) or information disclosure (such as variable expansion) is potentially possible under certain circumstances. fish shell 3.6.2 has been released to correct this issue. Users are advised to upgrade. There are no known workarounds for this vulnerability.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Server 16.0:fish-4.0.1-160000.2.2","SUSE Linux Enterprise Server 16.0:fish-devel-4.0.1-160000.2.2","SUSE Package Hub 15 SP4:fish-3.3.1-bp154.3.3.1","SUSE Package Hub 15 SP4:fish-devel-3.3.1-bp154.3.3.1","SUSE Package Hub 15 SP5:fish-3.3.1-bp155.4.3.1","SUSE Package Hub 15 SP5:fish-devel-3.3.1-bp155.4.3.1","openSUSE Leap 15.4:fish-3.3.1-bp154.3.3.1","openSUSE Leap 15.4:fish-devel-3.3.1-bp154.3.3.1","openSUSE Leap 15.5:fish-3.3.1-bp155.4.3.1","openSUSE Leap 15.5:fish-devel-3.3.1-bp155.4.3.1","openSUSE Tumbleweed:fish-3.6.4-1.1","openSUSE Tumbleweed:fish-devel-3.6.4-1.1"]},"references":[{"category":"external","summary":"CVE-2023-49284","url":"https://www.suse.com/security/cve/CVE-2023-49284"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1217808 for CVE-2023-49284","url":"https://bugzilla.suse.com/1217808"},{"category":"external","summary":"Advisory link for openSUSE-SU-2023:0404-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ID5OSVJXPI7OW4ZTAPE4ZJUJIM5HRF37/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2023:0405-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/S6BKN7QOVK7LIAFEI3YVTBXDS7YGI6B3/"}],"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:fish-4.0.1-160000.2.2","SUSE Linux Enterprise Server 16.0:fish-devel-4.0.1-160000.2.2","SUSE Package Hub 15 SP4:fish-3.3.1-bp154.3.3.1","SUSE Package Hub 15 SP4:fish-devel-3.3.1-bp154.3.3.1","SUSE Package Hub 15 SP5:fish-3.3.1-bp155.4.3.1","SUSE Package Hub 15 SP5:fish-devel-3.3.1-bp155.4.3.1","openSUSE Leap 15.4:fish-3.3.1-bp154.3.3.1","openSUSE Leap 15.4:fish-devel-3.3.1-bp154.3.3.1","openSUSE Leap 15.5:fish-3.3.1-bp155.4.3.1","openSUSE Leap 15.5:fish-devel-3.3.1-bp155.4.3.1","openSUSE Tumbleweed:fish-3.6.4-1.1","openSUSE Tumbleweed:fish-devel-3.6.4-1.1"]}],"scores":[{"cvss_v3":{"baseScore":4.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","version":"3.1"},"products":["SUSE Linux Enterprise Server 16.0:fish-4.0.1-160000.2.2","SUSE Linux Enterprise Server 16.0:fish-devel-4.0.1-160000.2.2","SUSE Package Hub 15 SP4:fish-3.3.1-bp154.3.3.1","SUSE Package Hub 15 SP4:fish-devel-3.3.1-bp154.3.3.1","SUSE Package Hub 15 SP5:fish-3.3.1-bp155.4.3.1","SUSE Package Hub 15 SP5:fish-devel-3.3.1-bp155.4.3.1","openSUSE Leap 15.4:fish-3.3.1-bp154.3.3.1","openSUSE Leap 15.4:fish-devel-3.3.1-bp154.3.3.1","openSUSE Leap 15.5:fish-3.3.1-bp155.4.3.1","openSUSE Leap 15.5:fish-devel-3.3.1-bp155.4.3.1","openSUSE Tumbleweed:fish-3.6.4-1.1","openSUSE Tumbleweed:fish-devel-3.6.4-1.1"]}],"threats":[{"category":"impact","date":"2023-12-05T02:00:19Z","details":"moderate"}],"title":"CVE-2023-49284"}]}