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cve[email protected]CVE-2022-0317
HistoryFeb 04, 2022 - 11:15 p.m.

CVE-2022-0317

2022-02-0423:15:12
CWE-20
web.nvd.nist.gov
33
cve-2022-0317
go-attestation
input validation
local users
maliciously-formed quote
pcrs
akpublic.verify
eventlog.verify
vulnerability
security
update
nvd

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

3.9 Low

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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.

Affected configurations

Vulners
NVD
Node
googlego-attestationRange0.4.0
VendorProductVersionCPE
googlego\-attestation*cpe:2.3:a:google:go\-attestation:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "go-attestation",
    "vendor": "Google LLC",
    "versions": [
      {
        "lessThan": "0.4.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:N/I:P/A:N

4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

3.9 Low

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%