gsd-2022-28735
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
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.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-28735",
"id": "GSD-2022-28735",
"references": [
"https://security.archlinux.org/CVE-2022-28735",
"https://linux.oracle.com/cve/CVE-2022-28735.html",
"https://access.redhat.com/errata/RHSA-2022:5095",
"https://access.redhat.com/errata/RHSA-2022:5096",
"https://access.redhat.com/errata/RHSA-2022:5098",
"https://access.redhat.com/errata/RHSA-2022:5099",
"https://access.redhat.com/errata/RHSA-2022:5100",
"https://www.suse.com/security/cve/CVE-2022-28735.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2022-28735"
],
"details": "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.",
"id": "GSD-2022-28735",
"modified": "2023-12-13T01:19:34.851830Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
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"CVE_data_meta": {
"ASSIGNER": "security@ubuntu.com",
"ID": "CVE-2022-28735",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "GNU GRUB",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "0",
"version_value": "2.06-3"
}
]
}
}
]
},
"vendor_name": "GNU Project"
}
]
}
},
"credits": [
{
"lang": "en",
"value": "Julian Andres Klode"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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{
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"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."
}
]
},
"impact": {
"cvss": [
{
"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"
}
]
},
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"value": "n/a"
}
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}
]
},
"references": {
"reference_data": [
{
"name": "https://www.openwall.com/lists/oss-security/2022/06/07/5",
"refsource": "MISC",
"url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
},
{
"name": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735",
"refsource": "MISC",
"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735"
},
{
"name": "https://security.netapp.com/advisory/ntap-20230825-0002/",
"refsource": "MISC",
"url": "https://security.netapp.com/advisory/ntap-20230825-0002/"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "2.06-3",
"versionStartIncluding": "2.00",
"vulnerable": true
}
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"operator": "OR"
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"cve": {
"CVE_data_meta": {
"ASSIGNER": "security@ubuntu.com",
"ID": "CVE-2022-28735"
},
"data_format": "MITRE",
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"data_version": "4.0",
"description": {
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"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."
}
]
},
"problemtype": {
"problemtype_data": [
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{
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"value": "NVD-CWE-noinfo"
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]
},
"references": {
"reference_data": [
{
"name": "https://www.openwall.com/lists/oss-security/2022/06/07/5",
"refsource": "MISC",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
},
{
"name": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735",
"refsource": "MISC",
"tags": [
"Third Party Advisory"
],
"url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28735"
},
{
"name": "https://security.netapp.com/advisory/ntap-20230825-0002/",
"refsource": "MISC",
"tags": [],
"url": "https://security.netapp.com/advisory/ntap-20230825-0002/"
}
]
}
},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2023-08-25T23:15Z",
"publishedDate": "2023-07-20T01:15Z"
}
}
}
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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.
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- 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.