certfr_avis - CERTFR-2016-AVI-252

CERTFR-2016-AVI-252

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été corrigées dans Xen. Elles permettent à un attaquant de provoquer une élévation de privilèges et un déni de service à distance.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Xen toutes versions sans le dernier correctif de sécurité lorsqu'exécuté sur processeur x86

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

Tags

Bulletin de sécurité Xen advisory-182 du 26 juillet 2016	None	vendor-advisory
Bulletin de sécurité Xen advisory-183 du 27 juillet 2016	None	vendor-advisory
Bulletin de sécurité Xen advisory-183 du 26 juillet 2016	-	other

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [],
  "affected_systems_content": "\u003cP\u003eXen toutes versions sans le dernier correctif de s\u00e9curit\u00e9  lorsqu\u0027ex\u00e9cut\u00e9 sur processeur x86\u003c/P\u003e",
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2016-6258",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-6258"
    },
    {
      "name": "CVE-2016-6259",
      "url": "https://www.cve.org/CVERecord?id=CVE-2016-6259"
    }
  ],
  "links": [
    {
      "title": "Bulletin de s\u00e9curit\u00e9 Xen advisory-183 du 26 juillet 2016",
      "url": "https://xenbits.xen.org/xsa/advisory-183.html"
    }
  ],
  "reference": "CERTFR-2016-AVI-252",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2016-07-26T00:00:00.000000"
    },
    {
      "description": "ajout XSA-183.",
      "revision_date": "2016-07-27T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans \u003cspan\nclass=\"textit\"\u003eXen\u003c/span\u003e. Elles permettent \u00e0 un attaquant de provoquer\nune \u00e9l\u00e9vation de privil\u00e8ges et un d\u00e9ni de service \u00e0 distance.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Xen",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Xen advisory-182 du 26 juillet 2016",
      "url": "https://xenbits.xen.org/xsa/advisory-182.html"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Xen advisory-183 du 27 juillet 2016",
      "url": null
    }
  ]
}

CVE-2016-6258 (GCVE-0-2016-6258)

Vulnerability from cvelistv5 – Published: 2016-08-02 16:00 – Updated: 2024-08-06 01:22

Summary

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
	http://xenbits.xen.org/xsa/advisory-182.html	x_refsource_CONFIRM
	http://xenbits.xen.org/xsa/xsa182-4.6.patch	x_refsource_CONFIRM
	http://support.citrix.com/article/CTX214954	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/201611-09	vendor-advisoryx_refsource_GENTOO
	http://xenbits.xen.org/xsa/xsa182-unstable.patch	x_refsource_CONFIRM
	http://xenbits.xen.org/xsa/xsa182-4.5.patch	x_refsource_CONFIRM
	http://www.debian.org/security/2016/dsa-3633	vendor-advisoryx_refsource_DEBIAN
	http://www.securitytracker.com/id/1036446	vdb-entryx_refsource_SECTRACK
	http://www.securityfocus.com/bid/92131	vdb-entryx_refsource_BID

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T01:22:20.664Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://xenbits.xen.org/xsa/advisory-182.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://xenbits.xen.org/xsa/xsa182-4.6.patch"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://support.citrix.com/article/CTX214954"
          },
          {
            "name": "GLSA-201611-09",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201611-09"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://xenbits.xen.org/xsa/xsa182-unstable.patch"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://xenbits.xen.org/xsa/xsa182-4.5.patch"
          },
          {
            "name": "DSA-3633",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2016/dsa-3633"
          },
          {
            "name": "1036446",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1036446"
          },
          {
            "name": "92131",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/92131"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-07-26T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-06-30T16:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://xenbits.xen.org/xsa/advisory-182.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://xenbits.xen.org/xsa/xsa182-4.6.patch"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://support.citrix.com/article/CTX214954"
        },
        {
          "name": "GLSA-201611-09",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201611-09"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://xenbits.xen.org/xsa/xsa182-unstable.patch"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://xenbits.xen.org/xsa/xsa182-4.5.patch"
        },
        {
          "name": "DSA-3633",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2016/dsa-3633"
        },
        {
          "name": "1036446",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1036446"
        },
        {
          "name": "92131",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/92131"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-6258",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
            },
            {
              "name": "http://xenbits.xen.org/xsa/advisory-182.html",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/advisory-182.html"
            },
            {
              "name": "http://xenbits.xen.org/xsa/xsa182-4.6.patch",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/xsa182-4.6.patch"
            },
            {
              "name": "http://support.citrix.com/article/CTX214954",
              "refsource": "CONFIRM",
              "url": "http://support.citrix.com/article/CTX214954"
            },
            {
              "name": "GLSA-201611-09",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201611-09"
            },
            {
              "name": "http://xenbits.xen.org/xsa/xsa182-unstable.patch",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/xsa182-unstable.patch"
            },
            {
              "name": "http://xenbits.xen.org/xsa/xsa182-4.5.patch",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/xsa182-4.5.patch"
            },
            {
              "name": "DSA-3633",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2016/dsa-3633"
            },
            {
              "name": "1036446",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1036446"
            },
            {
              "name": "92131",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/92131"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-6258",
    "datePublished": "2016-08-02T16:00:00",
    "dateReserved": "2016-07-20T00:00:00",
    "dateUpdated": "2024-08-06T01:22:20.664Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

CVE-2016-6259 (GCVE-0-2016-6259)

Vulnerability from cvelistv5 – Published: 2016-08-02 16:00 – Updated: 2024-08-06 01:22

Summary

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.securityfocus.com/bid/92130	vdb-entryx_refsource_BID
	http://support.citrix.com/article/CTX214954	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1036447	vdb-entryx_refsource_SECTRACK
	http://xenbits.xen.org/xsa/xsa183-unstable.patch	x_refsource_CONFIRM
	http://xenbits.xen.org/xsa/advisory-183.html	x_refsource_CONFIRM
	http://xenbits.xen.org/xsa/xsa183-4.6.patch	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T01:22:20.659Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "92130",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/92130"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://support.citrix.com/article/CTX214954"
          },
          {
            "name": "1036447",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1036447"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://xenbits.xen.org/xsa/xsa183-unstable.patch"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://xenbits.xen.org/xsa/advisory-183.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://xenbits.xen.org/xsa/xsa183-4.6.patch"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-07-26T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2016-08-02T14:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "92130",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/92130"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://support.citrix.com/article/CTX214954"
        },
        {
          "name": "1036447",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1036447"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://xenbits.xen.org/xsa/xsa183-unstable.patch"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://xenbits.xen.org/xsa/advisory-183.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://xenbits.xen.org/xsa/xsa183-4.6.patch"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2016-6259",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "92130",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/92130"
            },
            {
              "name": "http://support.citrix.com/article/CTX214954",
              "refsource": "CONFIRM",
              "url": "http://support.citrix.com/article/CTX214954"
            },
            {
              "name": "1036447",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1036447"
            },
            {
              "name": "http://xenbits.xen.org/xsa/xsa183-unstable.patch",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/xsa183-unstable.patch"
            },
            {
              "name": "http://xenbits.xen.org/xsa/advisory-183.html",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/advisory-183.html"
            },
            {
              "name": "http://xenbits.xen.org/xsa/xsa183-4.6.patch",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/xsa183-4.6.patch"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-6259",
    "datePublished": "2016-08-02T16:00:00",
    "dateReserved": "2016-07-20T00:00:00",
    "dateUpdated": "2024-08-06T01:22:20.659Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

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.

Action not permitted

CERTFR-2016-AVI-252

Solution

CVE-2016-6258 (GCVE-0-2016-6258)

CVE-2016-6259 (GCVE-0-2016-6259)

Tags

Sightings

Nomenclature