2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2012-3495",
"sourceIdentifier": "secalert@redhat.com",
"published": "2012-11-23T20:55:03.150",
"lastModified": "2024-11-21T01:40:59.690",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The physdev_get_free_pirq hypercall in arch/x86/physdev.c in Xen 4.1.x and Citrix XenServer 6.0.2 and earlier uses the return value of the get_free_pirq function as an array index without checking that the return value indicates an error, which allows guest OS users to cause a denial of service (invalid memory write and host crash) and possibly gain privileges via unspecified vectors."
},
{
"lang": "es",
"value": "La hypercall physdev_get_free_pirq en arch/x86/physdev.c en Xen v4.1.x y Citrix XenServer v6.0.2 y anteriores utiliza el valor devuelto por la funci\u00f3n get_free_pirq como un \u00edndice de la matriz sin comprobar que el valor de retorno indica un error, permitiendo a los hu\u00e9spedes del OS invitado causar una denegaci\u00f3n de servicio (escritura de memoria no v\u00e1lidas y ca\u00edda del host) y, posiblemente, obtener privilegios a trav\u00e9s de vectores no especificados."
}
],
"metrics": {
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:C",
"baseScore": 6.1,
"accessVector": "LOCAL",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "COMPLETE"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 3.9,
"impactScore": 8.5,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:citrix:xenserver:*:*:*:*:*:*:*:*",
"versionEndIncluding": "6.0.2",
"matchCriteriaId": "24FCA867-7158-459C-9D6C-75A39263F00A"
},
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"vulnerable": true,
"criteria": "cpe:2.3:a:citrix:xenserver:5.0:*:*:*:*:*:*:*",
"matchCriteriaId": "57F938EB-46B0-4D82-98D3-1FCB22C02F8E"
},
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"matchCriteriaId": "642BB495-D395-4951-A863-00B52A6BBE83"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:citrix:xenserver:5.6:*:*:*:*:*:*:*",
"matchCriteriaId": "0185CA86-C2BE-4445-A053-0FBDC670ED88"
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"matchCriteriaId": "6444BE32-E02D-49E3-BC2F-DE0593ADAF88"
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"matchCriteriaId": "DB215BC8-3376-42B8-98E3-7484715AB93F"
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"matchCriteriaId": "9C1D10B8-202D-44A4-A872-88D7C11488D1"
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{
"vulnerable": true,
"criteria": "cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "0D532B60-C8DD-4A2F-9D05-E574D23EB754"
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{
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"criteria": "cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*",
"matchCriteriaId": "3EA4F978-9145-4FE6-B4F9-15207E52C40A"
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}
],
"references": [
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html",
"source": "secalert@redhat.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html",
"source": "secalert@redhat.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html",
"source": "secalert@redhat.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html",
"source": "secalert@redhat.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html",
"source": "secalert@redhat.com"
},
{
"url": "http://lists.xen.org/archives/html/xen-announce/2012-09/msg00001.html",
"source": "secalert@redhat.com"
},
{
"url": "http://secunia.com/advisories/51413",
"source": "secalert@redhat.com"
},
{
"url": "http://secunia.com/advisories/55082",
"source": "secalert@redhat.com"
},
{
"url": "http://security.gentoo.org/glsa/glsa-201309-24.xml",
"source": "secalert@redhat.com"
},
{
"url": "http://support.citrix.com/article/CTX134708",
"source": "secalert@redhat.com"
},
{
"url": "http://wiki.xen.org/wiki/Security_Announcements#XSA-13_hypercall_physdev_get_free_pirq_vulnerability",
"source": "secalert@redhat.com"
},
{
"url": "http://www.openwall.com/lists/oss-security/2012/09/05/6",
"source": "secalert@redhat.com"
},
{
"url": "http://www.securityfocus.com/bid/55406",
"source": "secalert@redhat.com"
},
{
"url": "http://www.securitytracker.com/id?1027480",
"source": "secalert@redhat.com"
},
{
"url": "http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/6779ddca8593",
"source": "secalert@redhat.com"
},
{
"url": "https://security.gentoo.org/glsa/201604-03",
"source": "secalert@redhat.com"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://lists.xen.org/archives/html/xen-announce/2012-09/msg00001.html",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://secunia.com/advisories/51413",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://secunia.com/advisories/55082",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://security.gentoo.org/glsa/glsa-201309-24.xml",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://support.citrix.com/article/CTX134708",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://wiki.xen.org/wiki/Security_Announcements#XSA-13_hypercall_physdev_get_free_pirq_vulnerability",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2012/09/05/6",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securityfocus.com/bid/55406",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securitytracker.com/id?1027480",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/6779ddca8593",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.gentoo.org/glsa/201604-03",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
]
}