CVE-2022-0317 - Input validation in Go-Attestation

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Paul Devitt 2022-02-04 12:36:01 +01:00
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{
"data_type": "CVE",
"data_format": "MITRE",
"data_version": "4.0",
"CVE_data_meta": {
"ID": "CVE-2022-0317",
"ASSIGNER": "cve@mitre.org",
"STATE": "RESERVED"
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"description": {
"description_data": [
{
"lang": "eng",
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
}
]
}
}
"CVE_data_meta": {
"ASSIGNER": "security@google.com",
"DATE_PUBLIC": "2022-01-25T13:36:00.000Z",
"ID": "CVE-2022-0317",
"STATE": "PUBLIC",
"TITLE": "Improper Input Validation in AKPublic.Verify in go-attestation"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "go-attestation",
"version": {
"version_data": [
{
"version_affected": "<",
"version_value": "0.4.0"
}
]
}
}
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},
"vendor_name": "Google LLC"
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},
"credit": [
{
"lang": "eng",
"value": "Nikki VonHollen"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An improper input validation vulnerability in go-attestation before 0.3.3 allows local users to provide a maliciously-formed Quote over no/some PCRs, causing AKPublic.Verify to succeed despite the inconsistency. Subsequent use of the same set of PCR values in Eventlog.Verify lacks the authentication performed by quote verification, meaning a local attacker could couple this vulnerability with a maliciously-crafted TCG log in Eventlog.Verify to spoof events in the TCG log, hence defeating remotely-attested measured-boot. We recommend upgrading to Version 0.4.0 or above."
}
]
},
"generator": {
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"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
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"problemtype": {
"problemtype_data": [
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"description": [
{
"lang": "eng",
"value": "CWE-20 Improper Input Validation"
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"references": {
"reference_data": [
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"refsource": "CONFIRM",
"url": "https://github.com/google/go-attestation/security/advisories/GHSA-99cg-575x-774p"
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"source": {
"discovery": "INTERNAL"
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}