CVE-2016-8649 (GCVE-0-2016-8649)
Vulnerability from cvelistv5
Published
2017-05-01 06:08
Modified
2024-08-06 02:27
Severity ?
CWE
  • container bypass
Summary
lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an inherited file descriptor, of the host's /proc, to access the rest of the host's filesystem via the openat() family of syscalls.
References
Impacted products
Vendor Product Version
n/a LXC before 1.0.9 and 2.x before 2.0.6 Version: LXC before 1.0.9 and 2.x before 2.0.6
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T02:27:41.373Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1398242"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security-tracker.debian.org/tracker/CVE-2016-8649"
          },
          {
            "name": "94498",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/94498"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "LXC before 1.0.9 and 2.x before 2.0.6",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "LXC before 1.0.9 and 2.x before 2.0.6"
            }
          ]
        }
      ],
      "datePublic": "2017-05-01T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an inherited file descriptor, of the host\u0027s /proc, to access the rest of the host\u0027s filesystem via the openat() family of syscalls."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "container bypass",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-05-01T06:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1398242"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security-tracker.debian.org/tracker/CVE-2016-8649"
        },
        {
          "name": "94498",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/94498"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-8649",
    "datePublished": "2017-05-01T06:08:00",
    "dateReserved": "2016-10-12T00:00:00",
    "dateUpdated": "2024-08-06T02:27:41.373Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-8649\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2017-05-01T06:59:00.157\",\"lastModified\":\"2025-04-20T01:37:25.860\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an inherited file descriptor, of the host\u0027s /proc, to access the rest of the host\u0027s filesystem via the openat() family of syscalls.\"},{\"lang\":\"es\",\"value\":\"lxc-attach en LXC entre las versiones 1.0.9 y 2.x hasta la versi\u00f3n 2.0.6 permite que un atacante dentro de un contenedor sin privilegios, utilice un descriptor de archivo heredado de la carpeta /proc del host para acceder al resto del sistema de archivos del host a trav\u00e9s de llamadas al sistema openat().\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.3,\"impactScore\":6.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:C/I:C/A:C\",\"baseScore\":9.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-264\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linuxcontainers:lxc:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.0.9\",\"matchCriteriaId\":\"83629BC8-27B7-479D-A128-EFA5630BB184\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:linuxcontainers:lxc:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.0.0\",\"versionEndExcluding\":\"2.0.6\",\"matchCriteriaId\":\"B65EC152-48AC-43E9-A1DF-E76C953508A5\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/94498\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1398242\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security-tracker.debian.org/tracker/CVE-2016-8649\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securityfocus.com/bid/94498\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1398242\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security-tracker.debian.org/tracker/CVE-2016-8649\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.