CVE-2021-3716

{"id": "CVE-2021-3716", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.1, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.6}]}, "published": "2022-03-02T23:15:09.013", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1994695", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://gitlab.com/nbdkit/nbdkit/-/commit/09a13dafb7bb3a38ab52eb5501cba786365ba7fd", "tags": ["Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://gitlab.com/nbdkit/nbdkit/-/commit/6c5faac6a37077cf2366388a80862bb00616d0d8", "tags": ["Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://listman.redhat.com/archives/libguestfs/2021-August/msg00083.html", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "https://www.openwall.com/lists/oss-security/2021/08/18/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1994695", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.com/nbdkit/nbdkit/-/commit/09a13dafb7bb3a38ab52eb5501cba786365ba7fd", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://gitlab.com/nbdkit/nbdkit/-/commit/6c5faac6a37077cf2366388a80862bb00616d0d8", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://listman.redhat.com/archives/libguestfs/2021-August/msg00083.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.openwall.com/lists/oss-security/2021/08/18/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-924"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary. A MitM attacker could use this flaw to inject a plaintext NBD_OPT_STRUCTURED_REPLY before proxying everything else a client sends to the server, potentially leading the client to terminate the NBD session. The highest threat from this vulnerability is to system availability."}, {"lang": "es", "value": "Se ha encontrado un fallo en nbdkit debido al almacenamiento inapropiado en cach\u00e9 del estado de texto plano a trav\u00e9s del l\u00edmite de cifrado STARTTLS. Un atacante de tipo MitM podr\u00eda usar este fallo para inyectar un texto plano NBD_OPT_STRUCTURED_REPLY antes de hacer proxy todo lo dem\u00e1s que un cliente env\u00eda al servidor, lo que podr\u00eda conllevar a que el cliente termine la sesi\u00f3n NBD. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema"}], "lastModified": "2024-11-21T06:22:14.133", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nbdkit_project:nbdkit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6C81BB5D-5E76-4AB3-A288-ECE78DFC5EF7", "versionEndExcluding": "1.24.6", "versionStartIncluding": "1.11.8"}, {"criteria": "cpe:2.3:a:nbdkit_project:nbdkit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "18CC5957-0C63-4B74-87B8-FA2FA295D9C9", "versionEndExcluding": "1.26.5", "versionStartIncluding": "1.25.1"}, {"criteria": "cpe:2.3:a:nbdkit_project:nbdkit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "50D0C2C5-DE56-4295-80D5-D985775EBC2F", "versionEndExcluding": "1.27.6", "versionStartIncluding": "1.27.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "053C1B35-3869-41C2-9551-044182DE0A64"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*", "vulnerable": true, "matchCriteriaId": "3AA08768-75AF-4791-B229-AE938C780959"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}