cve-2023-3354
Vulnerability from cvelistv5
Published
2023-07-11 16:16
Modified
2024-08-02 06:55
Severity
7.5 (High) - cvssV3_1 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Improper i/o watch removal in tls handshake can lead to remote unauthenticated denial of service
References
SourceURLTags
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-3354Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2216478Issue Tracking, Patch
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2024/03/msg00012.html
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/Mailing List
Impacted products
VendorProduct
n/aqemu
Red HatRed Hat Enterprise Linux 6
Red HatRed Hat Enterprise Linux 7
Red HatRed Hat Enterprise Linux 7
Red HatRed Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 8 Advanced Virtualization
Red HatRed Hat Enterprise Linux 9
Red HatRed Hat OpenStack Platform 13 (Queens)
FedoraFedora
FedoraExtra Packages for Enterprise Linux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T06:55:00.939Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vdb-entry",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2023-3354"
          },
          {
            "name": "RHBZ#2216478",
            "tags": [
              "issue-tracking",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2216478"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "qemu",
          "vendor": "n/a"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:6"
          ],
          "defaultStatus": "unaffected",
          "packageName": "qemu-kvm",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
          ],
          "defaultStatus": "unaffected",
          "packageName": "qemu-kvm",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
          ],
          "defaultStatus": "affected",
          "packageName": "qemu-kvm-ma",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8"
          ],
          "defaultStatus": "affected",
          "packageName": "virt:rhel/qemu-kvm",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:advanced_virtualization:8::el8"
          ],
          "defaultStatus": "affected",
          "packageName": "virt:av/qemu-kvm",
          "product": "Red Hat Enterprise Linux 8 Advanced Virtualization",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:9"
          ],
          "defaultStatus": "affected",
          "packageName": "qemu-kvm",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:openstack:13"
          ],
          "defaultStatus": "affected",
          "packageName": "qemu-kvm-rhev",
          "product": "Red Hat OpenStack Platform 13 (Queens)",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://packages.fedoraproject.org/",
          "defaultStatus": "affected",
          "packageName": "qemu",
          "product": "Fedora",
          "vendor": "Fedora"
        },
        {
          "collectionURL": "https://packages.fedoraproject.org/",
          "defaultStatus": "unaffected",
          "packageName": "qemu",
          "product": "Extra Packages for Enterprise Linux",
          "vendor": "Fedora"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Red Hat would like to thank jiangyegen (Huawei Vulnerability Management Center) and yexiao7 (Huawei Vulnerability Management Center) for reporting this issue."
        }
      ],
      "datePublic": "2023-06-28T00:00:00Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections crosses a certain threshold and if so, cleans up the previous connection. If the previous connection happens to be in the handshake phase and fails, QEMU cleans up the connection again, resulting in a NULL pointer dereference issue. This could allow a remote unauthenticated client to cause a denial of service."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Important"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "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"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-07-11T16:16:56.294Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2023-3354"
        },
        {
          "name": "RHBZ#2216478",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2216478"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2023-06-21T00:00:00Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2023-06-28T00:00:00Z",
          "value": "Made public."
        }
      ],
      "title": "Improper i/o watch removal in tls handshake can lead to remote unauthenticated denial of service",
      "x_redhatCweChain": "CWE-476: NULL Pointer Dereference"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2023-3354",
    "datePublished": "2023-07-11T16:16:56.294Z",
    "dateReserved": "2023-06-21T12:33:29.897Z",
    "dateUpdated": "2024-08-02T06:55:00.939Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-3354\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2023-07-11T17:15:13.387\",\"lastModified\":\"2024-03-11T18:15:15.843\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections crosses a certain threshold and if so, cleans up the previous connection. If the previous connection happens to be in the handshake phase and fails, QEMU cleans up the connection again, resulting in a NULL pointer dereference issue. This could allow a remote unauthenticated client to cause a denial of service.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]},{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"8.1.0\",\"matchCriteriaId\":\"A178AFEF-359C-427C-99C6-EC003039FF3B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:qemu:qemu:8.1.0:rc0:*:*:*:*:*:*\",\"matchCriteriaId\":\"2F730D08-43CC-4FFC-9C37-42C1D69518E1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:qemu:qemu:8.1.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"D61909EC-7FFA-4600-86F9-E9AA303D2A63\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C52600BF-9E87-4CD2-91F3-685AFE478C1E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"142AD0DD-4CF3-4D74-9442-459CE3347E3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*\",\"matchCriteriaId\":\"053C1B35-3869-41C2-9551-044182DE0A64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*\",\"matchCriteriaId\":\"3AA08768-75AF-4791-B229-AE938C780959\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F6FB57C-2BC7-487C-96DD-132683AEB35D\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CC559B26-5DFC-4B7A-A27C-B77DE755DFF9\"}]}]}],\"references\":[{\"url\":\"https://access.redhat.com/security/cve/CVE-2023-3354\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2216478\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.