CVE-2023-3354

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{}

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This could allow a remote unauthenticated client to cause a denial of service."}], "id": "CVE-2023-3354", "lastModified": "2026-06-17T06:13:52.787", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-07-11T17:15:13.387", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-3354"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2216478"}, {"source": "secalert@redhat.com", "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2023-3354"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2216478"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank jiangyegen (Huawei Vulnerability Management Center) and yexiao7 (Huawei Vulnerability Management Center) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2023:5264", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt-devel:rhel-8080020230901075317.63b34585", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-09-19T00:00:00Z"}, {"advisory": "RHSA-2023:5264", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "virt:rhel-8080020230901075317.63b34585", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-09-19T00:00:00Z"}, {"advisory": "RHSA-2023:5239", "cpe": "cpe:/a:redhat:rhel_e4s:8.1", "package": "virt:rhel-8010020230902123217.c27ad7f8", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2023-09-19T00:00:00Z"}, {"advisory": "RHSA-2023:5587", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "virt:rhel-8020020230902114249.4cda2c84", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2023-10-10T00:00:00Z"}, {"advisory": "RHSA-2023:5587", "cpe": "cpe:/a:redhat:rhel_tus:8.2", "package": "virt:rhel-8020020230902114249.4cda2c84", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2023-10-10T00:00:00Z"}, {"advisory": "RHSA-2023:5587", "cpe": "cpe:/a:redhat:rhel_e4s:8.2", "package": "virt:rhel-8020020230902114249.4cda2c84", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2023-10-10T00:00:00Z"}, {"advisory": "RHSA-2023:5796", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "virt:rhel-8040020230902084954.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2023-10-17T00:00:00Z"}, {"advisory": "RHSA-2023:5796", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "virt:rhel-8040020230902084954.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2023-10-17T00:00:00Z"}, {"advisory": "RHSA-2023:5796", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "virt:rhel-8040020230902084954.522a0ee4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2023-10-17T00:00:00Z"}, {"advisory": "RHSA-2024:0404", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "virt-devel:rhel-8060020231128234847.ad008a3a", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-25T00:00:00Z"}, {"advisory": "RHSA-2024:0404", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "virt:rhel-8060020231128234847.ad008a3a", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-25T00:00:00Z"}, {"advisory": "RHSA-2023:5094", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "qemu-kvm-17:7.2.0-14.el9_2.5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-09-12T00:00:00Z"}, {"advisory": "RHSA-2023:6227", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "qemu-kvm-17:6.2.0-11.el9_0.8", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-11-01T00:00:00Z"}], "bugzilla": {"description": "QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service", "id": "2216478", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2216478"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-476", "details": ["A flaw was found in the QEMU built-in VNC server. 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This could allow a remote unauthenticated client to cause a denial of service."], "name": "CVE-2023-3354", "package_state": [{"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": "Affected", "package_name": "qemu-kvm-ma", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Affected", "package_name": "virt:av/qemu-kvm", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2023-06-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-3354\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-3354"], "statement": "The versions of `qemu-kvm` as shipped with Red Hat Enterprise Linux 6 and 7 are not affected by this flaw as they did not include the QIOChannel framework (introduced upstream in QEMU 2.10).", "threat_severity": "Important"}

{}