{ "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" } ] } } ] }, "vendor_name": "Google LLC" } ] } }, "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": { "engine": "Vulnogram 0.0.9" }, "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" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-20 Improper Input Validation" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://github.com/google/go-attestation/security/advisories/GHSA-99cg-575x-774p", "name": "https://github.com/google/go-attestation/security/advisories/GHSA-99cg-575x-774p" } ] }, "source": { "discovery": "INTERNAL" } }