CVE-2022-0317

Improper Input Validation in AKPublic.Verify in go-attestation

Published: Feb 4, 2022Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-20

4.0MEDIUM

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-20

Affected Products

Google LLC

commercial·US

go-attestationLibraryLibrary

OSS Libraries / generic-library

google

commercial·USaka google llc, google inc

go-attestationLibraryLibrary

OSS Libraries / generic-library

package-ecosystem

github.com/google/go-attestation

OSS Libraries

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://github.com/google/go-attestation/security/advisories/GHSA-99cg-575x-774p

github.com

https://nvd.nist.gov/vuln/detail/CVE-2022-0317

nvd.nist.gov

https://github.com/google/go-attestation/commit/82f2c9c2c76e1d3691d17ee78116d1d93a123788

github.com

and 2 more references View all →

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