CVE-2021-20271

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{}

{"affected": [{"affectedData": [{"product": "rpm", "vendor": "n/a", "versions": [{"status": "affected", "version": "all versions"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:*", "matchCriteriaId": "5017E785-D9A4-40BE-ADD8-4421BB138131", "versionEndExcluding": "4.15.1.3", "versionStartIncluding": "4.15.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:*", "matchCriteriaId": "F22989FC-E9C0-4189-BDFE-69346C3F8495", "versionEndExcluding": "4.16.1.3", "versionStartIncluding": "4.16.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:rpm:rpm:4.15.0:alpha:*:*:*:*:*:*", "matchCriteriaId": "6E77F834-98D9-45CA-A442-97362CEAB09C", "vulnerable": true}, {"criteria": "cpe:2.3:a:rpm:rpm:4.15.0:beta1:*:*:*:*:*:*", "matchCriteriaId": "40503D12-35BC-4515-A293-F39A37B23A38", "vulnerable": true}, {"criteria": "cpe:2.3:a:rpm:rpm:4.15.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "19299515-DF82-48A3-BA65-0DE705E75CA5", "vulnerable": true}, {"criteria": "cpe:2.3:a:rpm:rpm:4.16.0:alpha:*:*:*:*:*:*", "matchCriteriaId": "0565E985-6BD3-45E1-928C-B67E18B7B56E", "vulnerable": true}, {"criteria": "cpe:2.3:a:rpm:rpm:4.16.0:beta2:*:*:*:*:*:*", "matchCriteriaId": "96BDFF27-D2ED-48F9-91FB-377D1244A0A0", "vulnerable": true}, {"criteria": "cpe:2.3:a:rpm:rpm:4.16.0:beta3:*:*:*:*:*:*", "matchCriteriaId": "EA51C420-EFCB-4068-A981-E99722C5FAD7", "vulnerable": true}, {"criteria": "cpe:2.3:a:rpm:rpm:4.16.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "653B69E5-0E47-49EF-AD3D-218C86252E7C", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "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"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build14398:*:*:*:*:*:*", "matchCriteriaId": "2561CD5F-82A9-464E-B571-44634187B497", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability."}, {"lang": "es", "value": "Se detect\u00f3 un fallo en la funcionalidad de comprobaci\u00f3n de firmas de RPM cuando se lee un archivo de paquete. Este fallo permite a un atacante que pueda convencer a una v\u00edctima de instalar un paquete aparentemente verificable, cuyo encabezado de firma fue modificado, causar una corrupci\u00f3n de la base de datos de RPM y ejecutar c\u00f3digo. La mayor amenaza de esta vulnerabilidad es la integridad de los datos, la confidencialidad y la disponibilidad del sistema."}], "id": "CVE-2021-20271", "lastModified": "2026-06-17T03:33:34.930", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-26T17:15:13.000", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934125"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/rpm-software-management/rpm/commit/d6a86b5e69e46cc283b1e06c92343319beb42e21"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202107-43"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://www.starwindsoftware.com/security/sw-20220805-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934125"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/rpm-software-management/rpm/commit/d6a86b5e69e46cc283b1e06c92343319beb42e21"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILPBTPSBRYL4POBI3F4YUSVPSOQNJBY/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202107-43"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.starwindsoftware.com/security/sw-20220805-0002/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-345"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-345"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Demi M. Obenour for reporting this issue.", "affected_release": [{"advisory": "RHSA-2021:4785", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "rpm-0:4.11.3-48.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-11-23T00:00:00Z"}, {"advisory": "RHSA-2021:4771", "cpe": "cpe:/o:redhat:rhel_aus:7.6", "package": "rpm-0:4.11.3-35.el7_6.2", "product_name": "Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118)", "release_date": "2021-11-23T00:00:00Z"}, {"advisory": "RHSA-2021:4771", "cpe": "cpe:/o:redhat:rhel_tus:7.6", "package": "rpm-0:4.11.3-35.el7_6.2", "product_name": "Red Hat Enterprise Linux 7.6 Telco Extended Update Support", "release_date": "2021-11-23T00:00:00Z"}, {"advisory": "RHSA-2021:4771", "cpe": "cpe:/o:redhat:rhel_e4s:7.6", "package": "rpm-0:4.11.3-35.el7_6.2", "product_name": "Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions", "release_date": "2021-11-23T00:00:00Z"}, {"advisory": "RHSA-2021:4975", "cpe": "cpe:/o:redhat:rhel_aus:7.7", "package": "rpm-0:4.11.3-40.el7_7.1", "product_name": "Red Hat Enterprise Linux 7.7 Advanced Update Support", "release_date": "2021-12-07T00:00:00Z"}, {"advisory": "RHSA-2021:4975", "cpe": "cpe:/o:redhat:rhel_tus:7.7", "package": "rpm-0:4.11.3-40.el7_7.1", "product_name": "Red Hat Enterprise Linux 7.7 Telco Extended Update Support", "release_date": "2021-12-07T00:00:00Z"}, {"advisory": "RHSA-2021:4975", "cpe": "cpe:/o:redhat:rhel_e4s:7.7", "package": "rpm-0:4.11.3-40.el7_7.1", "product_name": "Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions", "release_date": "2021-12-07T00:00:00Z"}, {"advisory": "RHSA-2021:2574", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "rpm-0:4.14.3-14.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2574", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "rpm-0:4.14.3-14.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-06-29T00:00:00Z"}, {"advisory": "RHSA-2021:2791", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "rpm-0:4.14.2-38.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2021-07-20T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-controller-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-log-reader-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-must-gather-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-operator-bundle:v1.4.6-5", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-registry-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-rsync-transfer-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-ui-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-velero-plugin-for-aws-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-velero-plugin-for-gcp-rhel8:v1.4.6-3", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-velero-plugin-for-microsoft-azure-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-velero-restic-restore-helper-rhel8:v1.4.6-5", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-migration-velero-rhel8:v1.4.6-5", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHBA-2021:2854", "cpe": "cpe:/a:redhat:rhmt:1.4::el7", "package": "rhmtc/openshift-velero-plugin-rhel8:v1.4.6-4", "product_name": "Red Hat Migration Toolkit for Containers 1.4", "release_date": "2021-07-21T00:00:00Z"}], "bugzilla": {"description": "rpm: Signature checks bypass via corrupted rpm package", "id": "1934125", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934125"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-345", "details": ["A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability.", "A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability."], "name": "CVE-2021-20271", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "rpm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "rpm", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-03-11T22:53:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-20271\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-20271"], "statement": "To exploit this flaw, an attacker must either compromise an RPM repository or convince an administrator to install an untrusted RPM. It is strongly recommended to only use RPMs from trusted repositories.", "threat_severity": "Moderate"}

{}