CVE-2023-20584 (GCVE-0-2023-20584)
Vulnerability from cvelistv5
Published
2024-08-13 16:53
Modified
2024-11-05 21:40
Severity ?
VLAI Severity ?
EPSS score ?
Summary
IOMMU improperly handles certain special address
ranges with invalid device table entries (DTEs), which may allow an attacker
with privileges and a compromised Hypervisor to
induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a
loss of guest integrity.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | AMD | AMD EPYC™ 7003 Processors | ||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-20584",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-13T17:31:27.946120Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-noinfo Not enough information",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-11-05T21:40:37.392Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 7003 Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "MilanPI 1.0.0.C",
"versionType": "PI"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD EPYC\u2122 9004 Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "GenoaPI 1.0.0.B"
}
]
}
],
"datePublic": "2024-08-13T16:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eIOMMU improperly handles certain special address\nranges with invalid device table entries (DTEs), which may allow an attacker\nwith privileges and a compromised \u003ca target=\"_blank\" rel=\"nofollow\"\u003eHypervisor \u003c/a\u003eto\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\nloss of guest integrity.\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\n\n\n\n\n\n\u003cdiv\u003e\n\n\n\n\n\n\u003cdiv\u003e\n\n\u003cdiv\u003e\u003ca target=\"_blank\" rel=\"nofollow\"\u003e\u003c/a\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\u003c/div\u003e\u003c/div\u003e\u003cdiv\u003e\u003cdiv\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\n\n\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\n\n\n\n\u003c/span\u003e"
}
],
"value": "IOMMU improperly handles certain special address\nranges with invalid device table entries (DTEs), which may allow an attacker\nwith privileges and a compromised Hypervisor to\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\nloss of guest integrity."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-08-13T16:53:18.373Z",
"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"shortName": "AMD"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html"
}
],
"source": {
"advisory": "AMD-SB-4002, AMD-SB-3002, AMD-SB-5001",
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
"assignerShortName": "AMD",
"cveId": "CVE-2023-20584",
"datePublished": "2024-08-13T16:53:18.373Z",
"dateReserved": "2022-10-27T18:53:39.759Z",
"dateUpdated": "2024-11-05T21:40:37.392Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-20584\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-08-13T17:31:27.946120Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-noinfo Not enough information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-08-13T17:32:43.152Z\"}}], \"cna\": {\"source\": {\"advisory\": \"AMD-SB-4002, AMD-SB-3002, AMD-SB-5001\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 5.3, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"AMD\", \"product\": \"AMD EPYC\\u2122 7003 Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"MilanPI 1.0.0.C\", \"versionType\": \"PI\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD EPYC\\u2122 9004 Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"GenoaPI 1.0.0.B\"}], \"defaultStatus\": \"affected\"}], \"datePublic\": \"2024-08-13T16:00:00.000Z\", \"references\": [{\"url\": \"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"IOMMU improperly handles certain special address\\nranges with invalid device table entries (DTEs), which may allow an attacker\\nwith privileges and a compromised Hypervisor to\\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\\nloss of guest integrity.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eIOMMU improperly handles certain special address\\nranges with invalid device table entries (DTEs), which may allow an attacker\\nwith privileges and a compromised \u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\"\u003eHypervisor \u003c/a\u003eto\\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\\nloss of guest integrity.\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\\n\\n\u003c/div\u003e\\n\\n\u003c/div\u003e\\n\\n\u003c/div\u003e\\n\\n\\n\\n\\n\\n\\n\\n\u003cdiv\u003e\\n\\n\\n\\n\\n\\n\u003cdiv\u003e\\n\\n\u003cdiv\u003e\u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\"\u003e\u003c/a\u003e\\n\\n\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\u003c/div\u003e\u003c/div\u003e\u003cdiv\u003e\u003cdiv\u003e\\n\\n\u003c/div\u003e\\n\\n\u003c/div\u003e\\n\\n\u003c/div\u003e\\n\\n\\n\\n\\n\\n\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\\n\\n\u003c/div\u003e\\n\\n\u003c/div\u003e\\n\\n\u003c/div\u003e\\n\\n\\n\\n\\n\\n\u003c/span\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"shortName\": \"AMD\", \"dateUpdated\": \"2024-08-13T16:53:18.373Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-20584\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-05T21:40:37.392Z\", \"dateReserved\": \"2022-10-27T18:53:39.759Z\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"datePublished\": \"2024-08-13T16:53:18.373Z\", \"assignerShortName\": \"AMD\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
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.
Loading…
Loading…