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RedhatCVE-2021-20232

HistoryMar 12, 2021 - 7:15 p.m.

CVE-2021-20232

2021-03-1219:15:13

CWE-416

redhat

web.nvd.nist.gov

234

cve-2021-20232

gnutls

memory corruption

nvd

use after free

security issue

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.007

Percentile

79.8%

JSON

A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.

Affected configurations

Nvd

Vulners

Node

gnugnutlsRange3.6.3–3.7.1

Node

redhatenterprise_linuxMatch8.0

Node

fedoraprojectfedoraMatch34

VendorProductVersionCPE
gnugnutls*cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*
redhatenterprise_linux8.0cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
gnu	gnutls	*	cpe:2.3:a:gnu:gnutls::::::::
redhat	enterprise_linux	8.0	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
fedoraproject	fedora	34	cpe:2.3:o:fedoraproject:fedora:34:::::::*

CNA Affected

[
  {
    "product": "gnutls",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "gnutls 3.7.1"
      }
    ]
  }
]