CVE-2016-5008 (GCVE-0-2016-5008)

Vulnerability from cvelistv5 – Published: 2016-07-13 15:00 – Updated: 2024-08-06 00:46
VLAI
Summary
libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1180092 x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
http://www.debian.org/security/2016/dsa-3613 vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/91562 vdb-entryx_refsource_BID
http://security.libvirt.org/2016/0001.html x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2016-0… vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-updates/2016-0… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-updates/2016-0… vendor-advisoryx_refsource_SUSE
http://rhn.redhat.com/errata/RHSA-2016-2577.html vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3576-1/ vendor-advisoryx_refsource_UBUNTU
Date Public
2016-06-30 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T00:46:40.241Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1180092"
          },
          {
            "name": "FEDORA-2016-65cc608ebe",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363KDLAYSTL/"
          },
          {
            "name": "DSA-3613",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2016/dsa-3613"
          },
          {
            "name": "91562",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/91562"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://security.libvirt.org/2016/0001.html"
          },
          {
            "name": "openSUSE-SU-2016:1810",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html"
          },
          {
            "name": "FEDORA-2016-7b7e16a39e",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD6ACBYP4W/"
          },
          {
            "name": "openSUSE-SU-2016:1975",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html"
          },
          {
            "name": "openSUSE-SU-2016:1809",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html"
          },
          {
            "name": "RHSA-2016:2577",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2577.html"
          },
          {
            "name": "USN-3576-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3576-1/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-06-30T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-03-15T09:57:02.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1180092"
        },
        {
          "name": "FEDORA-2016-65cc608ebe",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363KDLAYSTL/"
        },
        {
          "name": "DSA-3613",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2016/dsa-3613"
        },
        {
          "name": "91562",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/91562"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://security.libvirt.org/2016/0001.html"
        },
        {
          "name": "openSUSE-SU-2016:1810",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html"
        },
        {
          "name": "FEDORA-2016-7b7e16a39e",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD6ACBYP4W/"
        },
        {
          "name": "openSUSE-SU-2016:1975",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html"
        },
        {
          "name": "openSUSE-SU-2016:1809",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html"
        },
        {
          "name": "RHSA-2016:2577",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-2577.html"
        },
        {
          "name": "USN-3576-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3576-1/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-5008",
    "datePublished": "2016-07-13T15:00:00.000Z",
    "dateReserved": "2016-05-24T00:00:00.000Z",
    "dateUpdated": "2024-08-06T00:46:40.241Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2016-5008",
      "date": "2026-05-26",
      "epss": "0.02119",
      "percentile": "0.84349"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*\", \"versionEndIncluding\": \"1.3.5\", \"matchCriteriaId\": \"ACADE274-009D-42CD-A7A7-7212323F9254\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server.\"}, {\"lang\": \"es\", \"value\": \"libvirt en versiones anteriores a 2.0.0 desactiva inadecuadamente la comprobaci\\u00f3n de contrase\\u00f1as cuando la contrase\\u00f1a en un servidor VNC est\\u00e1 establecida en una cadena vac\\u00eda, lo que permite a atacantes remotos eludir la autenticaci\\u00f3n y establecer una sesi\\u00f3in VNC conect\\u00e1ndose al servidor.\"}]",
      "id": "CVE-2016-5008",
      "lastModified": "2024-11-21T02:53:26.113",
      "metrics": "{\"cvssMetricV30\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:N/I:P/A:N\", \"baseScore\": 4.3, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2016-07-13T15:59:05.873",
      "references": "[{\"url\": \"http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2016-2577.html\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://security.libvirt.org/2016/0001.html\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.debian.org/security/2016/dsa-3613\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.securityfocus.com/bid/91562\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=1180092\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363KDLAYSTL/\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD6ACBYP4W/\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://usn.ubuntu.com/3576-1/\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2016-2577.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://security.libvirt.org/2016/0001.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.debian.org/security/2016/dsa-3613\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securityfocus.com/bid/91562\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=1180092\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363KDLAYSTL/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD6ACBYP4W/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://usn.ubuntu.com/3576-1/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-284\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-5008\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2016-07-13T15:59:05.873\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server.\"},{\"lang\":\"es\",\"value\":\"libvirt en versiones anteriores a 2.0.0 desactiva inadecuadamente la comprobaci\u00f3n de contrase\u00f1as cuando la contrase\u00f1a en un servidor VNC est\u00e1 establecida en una cadena vac\u00eda, lo que permite a atacantes remotos eludir la autenticaci\u00f3n y establecer una sesi\u00f3in VNC conect\u00e1ndose al servidor.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:P/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.3.5\",\"matchCriteriaId\":\"ACADE274-009D-42CD-A7A7-7212323F9254\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-2577.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://security.libvirt.org/2016/0001.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.debian.org/security/2016/dsa-3613\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/91562\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1180092\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363KDLAYSTL/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD6ACBYP4W/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://usn.ubuntu.com/3576-1/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-07/msg00054.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-07/msg00055.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://lists.opensuse.org/opensuse-updates/2016-08/msg00024.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-2577.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://security.libvirt.org/2016/0001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.debian.org/security/2016/dsa-3613\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/91562\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1180092\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZZMOMRXNPALA34XDF5NK363KDLAYSTL/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QTQF6LXKEEMJG4VOOCIAPJAD6ACBYP4W/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3576-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.