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[email protected]CVE-2021-3565

HistoryJun 04, 2021 - 12:15 p.m.

CVE-2021-3565

2021-06-0412:15:07

CWE-798

CWE-665

[email protected]

web.nvd.nist.gov

162

cve-2021-3565

tpm2-tools

security vulnerability

mitm

aes key

data confidentiality

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.0%

JSON

A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper, potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality.

Affected configurations

Vulners

NVD

Node

tpm2-tools_projecttpm2-toolsRange≤5.1.1

tpm2-tools_projecttpm2-toolsRange≤4.3.2

VendorProductVersionCPE
tpm2\-tools_projecttpm2\-tools*cpe:2.3:a:tpm2\-tools_project:tpm2\-tools:*:*:*:*:*:*:*:*
tpm2\-tools_projecttpm2\-tools*cpe:2.3:a:tpm2\-tools_project:tpm2\-tools:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
tpm2\-tools_project	tpm2\-tools	*	cpe:2.3:a:tpm2\-tools_project:tpm2\-tools::::::::
tpm2\-tools_project	tpm2\-tools	*	cpe:2.3:a:tpm2\-tools_project:tpm2\-tools::::::::

CNA Affected

[
  {
    "product": "tpm2-tools",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "tpm2-tools 5.1.1, tpm2-tools 4.3.2"
      }
    ]
  }
]