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[email protected]CVE-2021-3569

HistoryJun 03, 2021 - 12:15 p.m.

CVE-2021-3569

2021-06-0312:15:07

CWE-787

CWE-120

[email protected]

web.nvd.nist.gov

cve-2021-3569

stack corruption

libtpms

rsa decryption

sigbus

swtpm

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

JSON

A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.

Affected configurations

Vulners

NVD

Node

libtpms_projectlibtpmsRange≤0.7.2

libtpms_projectlibtpmsRange≤0.8.0

VendorProductVersionCPE
libtpms_projectlibtpms*cpe:2.3:a:libtpms_project:libtpms:*:*:*:*:*:*:*:*
libtpms_projectlibtpms*cpe:2.3:a:libtpms_project:libtpms:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
libtpms_project	libtpms	*	cpe:2.3:a:libtpms_project:libtpms::::::::
libtpms_project	libtpms	*	cpe:2.3:a:libtpms_project:libtpms::::::::

CNA Affected

[
  {
    "product": "libtpms",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "libtpms 0.7.2, libtpms 0.8.0"
      }
    ]
  }
]