CVE-2021-3531

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-3531", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "dateUpdated": "2024-08-03T17:01:07.787Z", "dateReserved": "2021-05-03T00:00:00.000Z", "datePublished": "2021-05-18T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2023-10-23T18:06:19.527Z"}, "descriptions": [{"lang": "en", "value": "A flaw was found in the Red Hat Ceph Storage RGW in versions before 14.2.21. When processing a GET Request for a swift URL that ends with two slashes it can cause the rgw to crash, resulting in a denial of service. The greatest threat to the system is of availability."}], "affected": [{"vendor": "n/a", "product": "ceph", "versions": [{"version": "ceph 14.2.21", "status": "affected"}]}], "references": [{"name": "[oss-security] 20210514 CVE-2021-3531: Ceph: RGW unauthenticated denial of service", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2021/05/14/5"}, {"name": "[oss-security] 20210517 Re: CVE-2021-3531: Ceph: RGW unauthenticated denial of service", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2021/05/17/7"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1955326"}, {"name": "FEDORA-2021-ec414c5e18", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPCJN2YDZCBMF4FOJXSTAADKFGEQEO7O/"}, {"name": "FEDORA-2021-6e540b85b9", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX5ZHI5L7FOHXOSEV3TYBAL66DMLJ7V5/"}, {"name": "FEDORA-2021-1bf13db941", "tags": ["vendor-advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZRUNDH2TJRZRWL3DCH2PQ6KROWTPQ7AJ/"}, {"name": "[debian-lts-announce] 20231023 [SECURITY] [DLA 3629-1] ceph security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-20", "cweId": "CWE-20"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:01:07.787Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20210514 CVE-2021-3531: Ceph: RGW unauthenticated denial of service", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/05/14/5"}, {"name": "[oss-security] 20210517 Re: CVE-2021-3531: Ceph: RGW unauthenticated denial of service", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/05/17/7"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1955326", "tags": ["x_transferred"]}, {"name": "FEDORA-2021-ec414c5e18", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPCJN2YDZCBMF4FOJXSTAADKFGEQEO7O/"}, {"name": "FEDORA-2021-6e540b85b9", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX5ZHI5L7FOHXOSEV3TYBAL66DMLJ7V5/"}, {"name": "FEDORA-2021-1bf13db941", "tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZRUNDH2TJRZRWL3DCH2PQ6KROWTPQ7AJ/"}, {"name": "[debian-lts-announce] 20231023 [SECURITY] [DLA 3629-1] ceph security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html"}]}]}}

{}

{"affected": [{"affectedData": [{"product": "ceph", "vendor": "n/a", "versions": [{"status": "affected", "version": "ceph 14.2.21"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:*", "matchCriteriaId": "B9DCC756-9F64-42E5-B79E-822655CF5A1B", "versionEndExcluding": "14.2.21", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:*", "matchCriteriaId": "D6E54096-5D45-4CB2-AC9A-DDB55BF2B94C", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in the Red Hat Ceph Storage RGW in versions before 14.2.21. When processing a GET Request for a swift URL that ends with two slashes it can cause the rgw to crash, resulting in a denial of service. The greatest threat to the system is of availability."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en Red Hat Ceph Storage RGW en versiones anteriores a 14.2.21. Cuando se procesa una petici\u00f3n GET para una URL r\u00e1pida que termina con dos barras, puede hacer que rgw pueda bloquearse, resultando en una denegaci\u00f3n de servicio. La mayor amenaza para el sistema es la disponibilidad"}], "id": "CVE-2021-3531", "lastModified": "2026-06-17T04:05:18.197", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-18T12:15:08.080", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/05/14/5"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/05/17/7"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1955326"}, {"source": "secalert@redhat.com", "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX5ZHI5L7FOHXOSEV3TYBAL66DMLJ7V5/"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPCJN2YDZCBMF4FOJXSTAADKFGEQEO7O/"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZRUNDH2TJRZRWL3DCH2PQ6KROWTPQ7AJ/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/05/14/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/05/17/7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1955326"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00034.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX5ZHI5L7FOHXOSEV3TYBAL66DMLJ7V5/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPCJN2YDZCBMF4FOJXSTAADKFGEQEO7O/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZRUNDH2TJRZRWL3DCH2PQ6KROWTPQ7AJ/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-617"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Felix H\u00fcttner (Schwarz IT) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2022:1174", "cpe": "cpe:/a:redhat:ceph_storage:5.1::el8", "package": "ceph-2:16.2.7-98.el8cp", "product_name": "Red Hat Ceph Storage 5.1", "release_date": "2022-04-04T00:00:00Z"}], "bugzilla": {"description": "ceph: RGW unauthenticated denial of service", "id": "1955326", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1955326"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-20", "details": ["A flaw was found in the Red Hat Ceph Storage RGW in versions before 14.2.21. When processing a GET Request for a swift URL that ends with two slashes it can cause the rgw to crash, resulting in a denial of service. The greatest threat to the system is of availability.", "A flaw was found in the Red Hat Ceph Storage RGW. When processing a GET Request for a swift URL that ends with two slashes, it can cause the RGW to crash, resulting in a denial of service. The highest threat from this vulnerability is to system availability."], "name": "CVE-2021-3531", "package_state": [{"cpe": "cpe:/a:redhat:ceph_storage:2", "fix_state": "Out of support scope", "package_name": "ceph", "product_name": "Red Hat Ceph Storage 2"}, {"cpe": "cpe:/a:redhat:ceph_storage:3", "fix_state": "Out of support scope", "package_name": "ceph", "product_name": "Red Hat Ceph Storage 3"}, {"cpe": "cpe:/a:redhat:ceph_storage:4", "fix_state": "Affected", "package_name": "ceph", "product_name": "Red Hat Ceph Storage 4"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "ceph-common", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "ceph", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "ceph", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift_container_storage:4", "fix_state": "Will not fix", "package_name": "ceph", "product_name": "Red Hat Openshift Container Storage 4"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Will not fix", "package_name": "ceph", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2021-05-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-3531\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3531"], "statement": "* Red Hat OpenStack Platform deployments use the ceph package directly from the Ceph channel; the RHOSP package will not be updated at this time.\n* This issue did not affect the versions of ceph as shipped with Red Hat Enterprise Linux 8 as they did not include support for RGW.\n* Red Hat OpenShift Container Storage (RHOCS) 4 shipped ceph package for the usage of RHOCS 4.2 only, that has reached End Of Life. The shipped version of ceph package is no longer used and supported with the release of RHOCS 4.3.", "threat_severity": "Moderate"}

{}