CVE-2022-28735 (GCVE-0-2022-28735)
Vulnerability from cvelistv5
Published
2023-07-20 00:22
Modified
2025-02-13 16:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| GNU Project | GNU GRUB |
Version: 0 ≤ |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T06:03:52.586Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"mailing-list",
"x_transferred"
],
"url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
},
{
"tags": [
"issue-tracking",
"x_transferred"
],
"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20230825-0002/"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2022-28735",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-10-24T19:20:44.888610Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-10-24T19:20:56.235Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"packageName": "grub2",
"platforms": [
"Linux"
],
"product": "GNU GRUB",
"repo": "https://git.savannah.gnu.org/cgit/grub.git",
"vendor": "GNU Project",
"versions": [
{
"lessThan": "2.06-3",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Julian Andres Klode"
}
],
"datePublic": "2022-06-13T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "The GRUB2\u0027s shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such files to be loaded may lead to unverified code and modules to be loaded in GRUB2 breaking the secure boot trust-chain."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS"
}
],
"providerMetadata": {
"dateUpdated": "2023-08-25T22:06:17.633Z",
"orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
"shortName": "canonical"
},
"references": [
{
"tags": [
"mailing-list"
],
"url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
},
{
"tags": [
"issue-tracking"
],
"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735"
},
{
"url": "https://security.netapp.com/advisory/ntap-20230825-0002/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
"assignerShortName": "canonical",
"cveId": "CVE-2022-28735",
"datePublished": "2023-07-20T00:22:51.229Z",
"dateReserved": "2022-04-05T21:59:08.760Z",
"dateUpdated": "2025-02-13T16:32:36.760Z",
"state": "PUBLISHED"
},
"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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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…