CVE-2023-49298

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-49298", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-11-03T19:28:35.343Z", "dateReserved": "2023-11-24T00:00:00.000Z", "datePublished": "2023-11-24T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-03-18T22:06:01.490Z"}, "descriptions": [{"lang": "en", "value": "OpenZFS through 2.1.13 and 2.2.x through 2.2.1, in certain scenarios involving applications that try to rely on efficient copying of file data, can replace file contents with zero-valued bytes and thus potentially disable security mechanisms. NOTE: this issue is not always security related, but can be security related in realistic situations. A possible example is cp, from a recent GNU Core Utilities (coreutils) version, when attempting to preserve a rule set for denying unauthorized access. (One might use cp when configuring access control, such as with the /etc/hosts.deny file specified in the IBM Support reference.) NOTE: this issue occurs less often in version 2.2.1, and in versions before 2.1.4, because of the default configuration in those versions."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/openzfs/zfs/pull/15571"}, {"url": "https://github.com/openzfs/zfs/issues/15526"}, {"url": "https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275308"}, {"url": "https://news.ycombinator.com/item?id=38405731"}, {"url": "https://web.archive.org/web/20231124172959/https://www.ibm.com/support/pages/how-remove-missing%C2%A0newline%C2%A0or%C2%A0line%C2%A0too%C2%A0long-error-etchostsallow%C2%A0and%C2%A0etchostsdeny-files"}, {"url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.2.2"}, {"url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.1.14"}, {"url": "https://www.theregister.com/2023/12/04/two_new_versions_of_openzfs/"}, {"url": "https://bugs.gentoo.org/917224"}, {"url": "https://news.ycombinator.com/item?id=38770168"}, {"name": "[debian-lts-announce] 20240318 [SECURITY] [DLA 3766-1] zfs-linux security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00019.html"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/openzfs/zfs/pull/15571", "tags": ["x_transferred"]}, {"url": "https://github.com/openzfs/zfs/issues/15526", "tags": ["x_transferred"]}, {"url": "https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275308", "tags": ["x_transferred"]}, {"url": "https://news.ycombinator.com/item?id=38405731", "tags": ["x_transferred"]}, {"url": "https://web.archive.org/web/20231124172959/https://www.ibm.com/support/pages/how-remove-missing%C2%A0newline%C2%A0or%C2%A0line%C2%A0too%C2%A0long-error-etchostsallow%C2%A0and%C2%A0etchostsdeny-files", "tags": ["x_transferred"]}, {"url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.2.2", "tags": ["x_transferred"]}, {"url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.1.14", "tags": ["x_transferred"]}, {"url": "https://www.theregister.com/2023/12/04/two_new_versions_of_openzfs/", "tags": ["x_transferred"]}, {"url": "https://bugs.gentoo.org/917224", "tags": ["x_transferred"]}, {"url": "https://news.ycombinator.com/item?id=38770168", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20240318 [SECURITY] [DLA 3766-1] zfs-linux security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00019.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/04/msg00009.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T19:28:35.343Z"}}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-639", "lang": "en", "description": "CWE-639 Authorization Bypass Through User-Controlled Key"}]}], "affected": [{"vendor": "openzfs", "product": "openzfs", "cpes": ["cpe:2.3:a:openzfs:openzfs:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "2.1.13", "versionType": "custom"}, {"version": "2.2.0", "status": "affected", "lessThanOrEqual": "2.2.1", "versionType": "custom"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-10-10T20:36:55.286724Z", "id": "CVE-2023-49298", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-10T20:38:26.767Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/openzfs/zfs/pull/15571", "tags": ["x_transferred"]}, {"url": "https://github.com/openzfs/zfs/issues/15526", "tags": ["x_transferred"]}, {"url": "https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275308", "tags": ["x_transferred"]}, {"url": "https://news.ycombinator.com/item?id=38405731", "tags": ["x_transferred"]}, {"url": "https://web.archive.org/web/20231124172959/https://www.ibm.com/support/pages/how-remove-missing%C2%A0newline%C2%A0or%C2%A0line%C2%A0too%C2%A0long-error-etchostsallow%C2%A0and%C2%A0etchostsdeny-files", "tags": ["x_transferred"]}, {"url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.2.2", "tags": ["x_transferred"]}, {"url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.1.14", "tags": ["x_transferred"]}, {"url": "https://www.theregister.com/2023/12/04/two_new_versions_of_openzfs/", "tags": ["x_transferred"]}, {"url": "https://bugs.gentoo.org/917224", "tags": ["x_transferred"]}, {"url": "https://news.ycombinator.com/item?id=38770168", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00019.html", "name": "[debian-lts-announce] 20240318 [SECURITY] [DLA 3766-1] zfs-linux security update", "tags": ["mailing-list", "x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2025/04/msg00009.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T19:28:35.343Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-49298", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-10T20:36:55.286724Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:openzfs:openzfs:*:*:*:*:*:*:*:*"], "vendor": "openzfs", "product": "openzfs", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "2.1.13"}, {"status": "affected", "version": "2.2.0", "versionType": "custom", "lessThanOrEqual": "2.2.1"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "CWE-639 Authorization Bypass Through User-Controlled Key"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-10T20:37:20.280Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://github.com/openzfs/zfs/pull/15571"}, {"url": "https://github.com/openzfs/zfs/issues/15526"}, {"url": "https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275308"}, {"url": "https://news.ycombinator.com/item?id=38405731"}, {"url": "https://web.archive.org/web/20231124172959/https://www.ibm.com/support/pages/how-remove-missing%C2%A0newline%C2%A0or%C2%A0line%C2%A0too%C2%A0long-error-etchostsallow%C2%A0and%C2%A0etchostsdeny-files"}, {"url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.2.2"}, {"url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.1.14"}, {"url": "https://www.theregister.com/2023/12/04/two_new_versions_of_openzfs/"}, {"url": "https://bugs.gentoo.org/917224"}, {"url": "https://news.ycombinator.com/item?id=38770168"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00019.html", "name": "[debian-lts-announce] 20240318 [SECURITY] [DLA 3766-1] zfs-linux security update", "tags": ["mailing-list"]}], "descriptions": [{"lang": "en", "value": "OpenZFS through 2.1.13 and 2.2.x through 2.2.1, in certain scenarios involving applications that try to rely on efficient copying of file data, can replace file contents with zero-valued bytes and thus potentially disable security mechanisms. NOTE: this issue is not always security related, but can be security related in realistic situations. A possible example is cp, from a recent GNU Core Utilities (coreutils) version, when attempting to preserve a rule set for denying unauthorized access. (One might use cp when configuring access control, such as with the /etc/hosts.deny file specified in the IBM Support reference.) NOTE: this issue occurs less often in version 2.2.1, and in versions before 2.1.4, because of the default configuration in those versions."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-03-18T22:06:01.490Z"}}}, "cveMetadata": {"cveId": "CVE-2023-49298", "state": "PUBLISHED", "dateUpdated": "2025-11-03T19:28:35.343Z", "dateReserved": "2023-11-24T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2023-11-24T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}, {"affectedData": [{"cpes": ["cpe:2.3:a:openzfs:openzfs:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "openzfs", "vendor": "openzfs", "versions": [{"lessThanOrEqual": "2.1.13", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThanOrEqual": "2.2.1", "status": "affected", "version": "2.2.0", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openzfs:openzfs:*:*:*:*:*:*:*:*", "matchCriteriaId": "FCB5B44F-BC91-4DBC-A67B-96D577834ACB", "versionEndIncluding": "2.1.13", "vulnerable": true}, {"criteria": "cpe:2.3:a:openzfs:openzfs:2.2.0:-:*:*:*:*:*:*", "matchCriteriaId": "9119E75A-14D2-4C8A-9AD0-97257DE45EC9", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:14.0:-:*:*:*:*:*:*", "matchCriteriaId": "FA25530A-133C-4D7C-8993-D5C42D79A0B5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenZFS through 2.1.13 and 2.2.x through 2.2.1, in certain scenarios involving applications that try to rely on efficient copying of file data, can replace file contents with zero-valued bytes and thus potentially disable security mechanisms. NOTE: this issue is not always security related, but can be security related in realistic situations. A possible example is cp, from a recent GNU Core Utilities (coreutils) version, when attempting to preserve a rule set for denying unauthorized access. (One might use cp when configuring access control, such as with the /etc/hosts.deny file specified in the IBM Support reference.) NOTE: this issue occurs less often in version 2.2.1, and in versions before 2.1.4, because of the default configuration in those versions."}, {"lang": "es", "value": "OpenZFS hasta 2.1.13 y 2.2.x hasta 2.2.1, en ciertos escenarios que involucran aplicaciones que intentan confiar en la copia eficiente de datos de archivos, puede reemplazar el contenido del archivo con bytes de valor cero y, por lo tanto, potencialmente deshabilitar los mecanismos de seguridad. NOTA: este problema no siempre est\u00e1 relacionado con la seguridad, pero puede estar relacionado con la seguridad en situaciones realistas. Un posible ejemplo es cp, de una versi\u00f3n reciente de GNU Core Utilities (coreutils), cuando se intenta preservar un conjunto de reglas para denegar el acceso no autorizado. (Se puede usar cp al configurar el control de acceso, como con el archivo /etc/hosts.deny especificado en la referencia de soporte de IBM). NOTA: este problema ocurre con menos frecuencia en la versi\u00f3n 2.2.1 y en versiones anteriores a la 2.1.4. debido a la configuraci\u00f3n predeterminada en esas versiones."}], "id": "CVE-2023-49298", "lastModified": "2026-06-17T06:35:47.880", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-49298", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-10T20:36:55.286724Z", "version": "2.0.3"}}]}, "published": "2023-11-24T19:15:07.587", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch"], "url": "https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275308"}, {"source": "cve@mitre.org", "url": "https://bugs.gentoo.org/917224"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://github.com/openzfs/zfs/issues/15526"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://github.com/openzfs/zfs/pull/15571"}, {"source": "cve@mitre.org", "url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.1.14"}, {"source": "cve@mitre.org", "url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.2.2"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00019.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://news.ycombinator.com/item?id=38405731"}, {"source": "cve@mitre.org", "url": "https://news.ycombinator.com/item?id=38770168"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://web.archive.org/web/20231124172959/https://www.ibm.com/support/pages/how-remove-missing%C2%A0newline%C2%A0or%C2%A0line%C2%A0too%C2%A0long-error-etchostsallow%C2%A0and%C2%A0etchostsdeny-files"}, {"source": "cve@mitre.org", "url": "https://www.theregister.com/2023/12/04/two_new_versions_of_openzfs/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch"], "url": "https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275308"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugs.gentoo.org/917224"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://github.com/openzfs/zfs/issues/15526"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://github.com/openzfs/zfs/pull/15571"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.1.14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/openzfs/zfs/releases/tag/zfs-2.2.2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00019.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/04/msg00009.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://news.ycombinator.com/item?id=38405731"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://news.ycombinator.com/item?id=38770168"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://web.archive.org/web/20231124172959/https://www.ibm.com/support/pages/how-remove-missing%C2%A0newline%C2%A0or%C2%A0line%C2%A0too%C2%A0long-error-etchostsallow%C2%A0and%C2%A0etchostsdeny-files"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.theregister.com/2023/12/04/two_new_versions_of_openzfs/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-639"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{}