166 lines
7.1 KiB
JSON
166 lines
7.1 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1",
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"cveMetadata": {
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"cveId": "CVE-2024-31146",
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"assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
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"state": "PUBLISHED",
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"assignerShortName": "XEN",
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"dateReserved": "2024-03-28T18:14:12.893Z",
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"datePublished": "2024-09-25T10:31:51.154Z",
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"dateUpdated": "2024-09-25T13:24:47.409Z"
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},
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"containers": {
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"cna": {
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"title": "PCI device pass-through with shared resources",
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"datePublic": "2024-08-13T12:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"value": "When multiple devices share resources and one of them is to be passed\nthrough to a guest, security of the entire system and of respective\nguests individually cannot really be guaranteed without knowing\ninternals of any of the involved guests. Therefore such a configuration\ncannot really be security-supported, yet making that explicit was so far\nmissing.\n\nResources the sharing of which is known to be problematic include, but\nare not limited to\n- - PCI Base Address Registers (BARs) of multiple devices mapping to the\n same page (4k on x86),\n- - INTx lines."
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}
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],
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"impacts": [
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{
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"descriptions": [
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{
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"lang": "en",
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"value": "The precise effects when shared resources are in use are system, device,\nguest, and resource specific. None of privilege escalation, information\nleaks, or Denial of Service (DoS) can be ruled out."
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}
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]
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}
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],
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"affected": [
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{
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"defaultStatus": "unknown",
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"product": "Xen",
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"vendor": "Xen",
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"versions": [
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{
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"status": "unknown",
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"version": "consult Xen advisory XSA-461"
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}
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]
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}
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],
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"configurations": [
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{
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"lang": "en",
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"value": "All systems making use of PCI pass-through are in principle vulnerable,\nwhen any kind of resource is shared. Just to re-iterate, even in the\nabsence of resource sharing caveats apply to passing through of PCI\ndevices to entirely untrusted guests."
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}
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],
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"workarounds": [
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{
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"lang": "en",
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"value": "Passing through only SR-IOV virtual functions or devices with well-\nseparated resources will avoid this particular vulnerability. Passing\nthrough all devices sharing a given resource to the same guest will also\navoid this particular vulnerability."
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}
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],
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"references": [
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{
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"url": "https://xenbits.xenproject.org/xsa/advisory-461.html"
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}
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],
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"providerMetadata": {
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"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
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"shortName": "XEN",
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"dateUpdated": "2024-09-25T10:31:51.154Z"
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}
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},
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"adp": [
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "http://xenbits.xen.org/xsa/advisory-461.html"
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},
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{
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"url": "http://www.openwall.com/lists/oss-security/2024/08/14/3"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-09-25T11:02:55.207Z"
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}
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},
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{
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-400",
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"lang": "en",
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"description": "CWE-400 Uncontrolled Resource Consumption"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "xen",
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"product": "xen",
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"cpes": [
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"cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unknown",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"lessThanOrEqual": "*",
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"versionType": "custom"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "CHANGED",
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"version": "3.1",
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"baseScore": 7.5,
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"attackVector": "LOCAL",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "HIGH",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "HIGH",
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"confidentialityImpact": "HIGH"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2024-09-25T13:14:46.996097Z",
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"id": "CVE-2024-31146",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-09-25T13:24:47.409Z"
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}
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}
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]
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}
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} |