CVE-2020-10761

{"containers": {"cna": {"affected": [{"product": "QEMU:", "vendor": "Red Hat", "versions": [{"status": "affected", "version": "all QEMU versions before QEMU 5.0.1"}]}], "descriptions": [{"lang": "en", "value": "An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-617", "description": "CWE-617", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-11-11T05:06:16.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.openwall.com/lists/oss-security/2020/06/09/1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761"}, {"name": "openSUSE-SU-2020:1108", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20200731-0001/"}, {"name": "USN-4467-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4467-1/"}, {"name": "GLSA-202011-09", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202011-09"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2020-10761", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "QEMU:", "version": {"version_data": [{"version_value": "all QEMU versions before QEMU 5.0.1"}]}}]}, "vendor_name": "Red Hat"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service."}]}, "impact": {"cvss": [[{"vectorString": "5/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L", "version": "3.0"}]]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-617"}]}]}, "references": {"reference_data": [{"name": "https://www.openwall.com/lists/oss-security/2020/06/09/1", "refsource": "MISC", "url": "https://www.openwall.com/lists/oss-security/2020/06/09/1"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761"}, {"name": "openSUSE-SU-2020:1108", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html"}, {"name": "https://security.netapp.com/advisory/ntap-20200731-0001/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20200731-0001/"}, {"name": "USN-4467-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4467-1/"}, {"name": "GLSA-202011-09", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202011-09"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T11:14:14.997Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.openwall.com/lists/oss-security/2020/06/09/1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761"}, {"name": "openSUSE-SU-2020:1108", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20200731-0001/"}, {"name": "USN-4467-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4467-1/"}, {"name": "GLSA-202011-09", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202011-09"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2020-10761", "datePublished": "2020-06-09T12:07:53.000Z", "dateReserved": "2020-03-20T00:00:00.000Z", "dateUpdated": "2024-08-04T11:14:14.997Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "QEMU:", "vendor": "Red Hat", "versions": [{"status": "affected", "version": "all QEMU versions before QEMU 5.0.1"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF12CD2D-2D51-4F39-AF5D-9349B7D9E5DB", "versionEndExcluding": "5.0.1", "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}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*", "matchCriteriaId": "3AA08768-75AF-4791-B229-AE938C780959", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service."}, {"lang": "es", "value": "Se encontr\u00f3 un problema de fallo de aserci\u00f3n en el Network Block Device (NBD) en todas las versiones de QEMU anteriores a QEMU versi\u00f3n 5.0.1. Este fallo ocurre cuando un cliente nbd env\u00eda una petici\u00f3n que cumple con las especificaciones que est\u00e1 cerca del l\u00edmite de la longitud m\u00e1xima permitida de la petici\u00f3n. Un cliente nbd remoto podr\u00eda usar este fallo para bloquear el servidor qemu-nbd resultando en una denegaci\u00f3n de servicio"}], "id": "CVE-2020-10761", "lastModified": "2026-06-17T02:48:23.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "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": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 1.4, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-06-09T13:15:10.493", "references": [{"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202011-09"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20200731-0001/"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4467-1/"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/06/09/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202011-09"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20200731-0001/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://usn.ubuntu.com/4467-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/06/09/1"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "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 Eric Blake (redhat.com) and Xueqiang Wei (redhat.com) for reporting this issue.", "affected_release": [{"advisory": "RHBA-2020:3172", "cpe": "cpe:/a:redhat:advanced_virtualization:8.2::el8", "package": "virt:8.2-8020120200707202843.11e3e113", "product_name": "Advanced Virtualization for RHEL 8.2.1", "release_date": "2020-07-28T00:00:00Z"}, {"advisory": "RHBA-2020:3172", "cpe": "cpe:/a:redhat:advanced_virtualization:8.2::el8", "package": "virt-devel:8.2-8020120200707202843.11e3e113", "product_name": "Advanced Virtualization for RHEL 8.2.1", "release_date": "2020-07-28T00:00:00Z"}], "bugzilla": {"description": "QEMU: nbd: reachable assertion failure in nbd_negotiate_send_rep_verr via remote client", "id": "1843707", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1843707"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-617", "details": ["An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service.", "An assertion failure issue was found in the Network Block Device(NBD) Server of the QEMU. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service."], "name": "CVE-2020-10761", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qemu-kvm-ma", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "virt:rhel/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Affected", "package_name": "virt:8.2/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2020-06-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-10761\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-10761\nhttps://www.openwall.com/lists/oss-security/2020/06/09/1"], "threat_severity": "Moderate"}

{}