certfr_avis - CERTFR-2014-AVI-486

CERTFR-2014-AVI-486

Vulnerability from certfr_avis - Published: - Updated:

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

Solution

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

None

Impacted products

	Vendor	Product	Description
	XEN	Xen	Xen 3.2.1 et versions antérieures
	XEN	Xen	Xen 4.0 et versions antérieures

References

Title

Publication Time

Tags

Bulletin de sécurité Xen XSA-109 du 18 novembre 2014	None	vendor-advisory
Bulletin de sécurité Xen XSA-110 du 18 novembre 2014	None	vendor-advisory

Show details on source website

JSON

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Xen 3.2.1 et versions ant\u00e9rieures",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen 4.0 et versions ant\u00e9rieures",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "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-2014-8595",
      "url": "https://www.cve.org/CVERecord?id=CVE-2014-8595"
    },
    {
      "name": "CVE-2014-8594",
      "url": "https://www.cve.org/CVERecord?id=CVE-2014-8594"
    }
  ],
  "links": [],
  "reference": "CERTFR-2014-AVI-486",
  "revisions": [
    {
      "description": "version initiale.",
      "revision_date": "2014-11-18T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service"
    },
    {
      "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\nun d\u00e9ni de service et une \u00e9l\u00e9vation de privil\u00e8ges.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Xen",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-109 du 18 novembre 2014",
      "url": "http://xenbits.xen.org/xsa/advisory-109.html"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Xen XSA-110 du 18 novembre 2014",
      "url": "http://xenbits.xen.org/xsa/advisory-110.html"
    }
  ]
}

CVE-2014-8594 (GCVE-0-2014-8594)

Vulnerability from cvelistv5 – Published: 2014-11-19 18:00 – Updated: 2024-08-06 13:25

Summary

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://security.gentoo.org/glsa/201504-04	vendor-advisoryx_refsource_GENTOO
	http://secunia.com/advisories/62672	third-party-advisoryx_refsource_SECUNIA
	http://xenbits.xen.org/xsa/advisory-109.html	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/71149	vdb-entryx_refsource_BID
	http://www.debian.org/security/2015/dsa-3140	vendor-advisoryx_refsource_DEBIAN
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF

Show details on NVD website

JSON

To clipboard

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CVE-2014-8595 (GCVE-0-2014-8595)

Vulnerability from cvelistv5 – Published: 2014-11-19 18:00 – Updated: 2024-08-06 13:25

Summary

arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://security.gentoo.org/glsa/201504-04	vendor-advisoryx_refsource_GENTOO
	http://secunia.com/advisories/62672	third-party-advisoryx_refsource_SECUNIA
	http://support.citrix.com/article/CTX201794	x_refsource_CONFIRM
	http://support.citrix.com/article/CTX200288	x_refsource_CONFIRM
	http://www.debian.org/security/2015/dsa-3140	vendor-advisoryx_refsource_DEBIAN
	http://secunia.com/advisories/62537	third-party-advisoryx_refsource_SECUNIA
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://www.securityfocus.com/bid/71151	vdb-entryx_refsource_BID
	http://xenbits.xen.org/xsa/advisory-110.html	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF

Show details on NVD website

JSON

To clipboard

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            },
            {
              "name": "http://support.citrix.com/article/CTX200288",
              "refsource": "CONFIRM",
              "url": "http://support.citrix.com/article/CTX200288"
            },
            {
              "name": "DSA-3140",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2015/dsa-3140"
            },
            {
              "name": "62537",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/62537"
            },
            {
              "name": "openSUSE-SU-2015:0226",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html"
            },
            {
              "name": "71151",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/71151"
            },
            {
              "name": "http://xenbits.xen.org/xsa/advisory-110.html",
              "refsource": "CONFIRM",
              "url": "http://xenbits.xen.org/xsa/advisory-110.html"
            },
            {
              "name": "openSUSE-SU-2015:0256",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html"
            },
            {
              "name": "xen-cve20148595-priv-esc(98768)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/98768"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2014-8595",
    "datePublished": "2014-11-19T18:00:00",
    "dateReserved": "2014-11-04T00:00:00",
    "dateUpdated": "2024-08-06T13:25:59.956Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Tags

Taxonomy of the tags.

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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-2014-AVI-486

Solution

CVE-2014-8594 (GCVE-0-2014-8594)

CVE-2014-8595 (GCVE-0-2014-8595)

Tags

Sightings

Nomenclature