fkie_cve-2016-7154
Vulnerability from fkie_nvd
Published
2016-09-21 14:25
Modified
2025-04-12 10:46
Severity ?
Summary
Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.
References
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "1044792C-D544-457C-9391-4F3B5BAB978D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*",
"matchCriteriaId": "FBD9AD01-50B7-4951-8A73-A6CF4801A487",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*",
"matchCriteriaId": "89AA8FD5-E997-4F0D-AFB6-FFBE0073BA5D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*",
"matchCriteriaId": "75615D84-9CA1-456C-816D-768E37B074A4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:*",
"matchCriteriaId": "7AB87384-A1F8-4136-A242-441C655D9364",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number."
},
{
"lang": "es",
"value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n de memoria en el c\u00f3digo de canal de evento FIFO en Xen 4.4.x permite a administradores locales del SO invitado provocar una denegaci\u00f3n de servicio (ca\u00edda de host) y posiblemente ejecutar c\u00f3digo arbitrario u obtener informaci\u00f3n sensible a trav\u00e9s de un n\u00famero de marco invitado no v\u00e1lido."
}
],
"id": "CVE-2016-7154",
"lastModified": "2025-04-12T10:46:40.837",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.2,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"exploitabilityScore": 0.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2016-09-21T14:25:27.160",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://support.citrix.com/article/CTX216071"
},
{
"source": "cve@mitre.org",
"url": "http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2016/dsa-3663"
},
{
"source": "cve@mitre.org",
"url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/92863"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securitytracker.com/id/1036754"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://xenbits.xen.org/xsa/advisory-188.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "http://xenbits.xen.org/xsa/xsa188.patch"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://support.citrix.com/article/CTX216071"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2016/dsa-3663"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/92863"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securitytracker.com/id/1036754"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "http://xenbits.xen.org/xsa/advisory-188.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://xenbits.xen.org/xsa/xsa188.patch"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.
- 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.
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