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[email protected]CVE-2021-42381

HistoryNov 15, 2021 - 9:15 p.m.

CVE-2021-42381

2021-11-1521:15:07

CWE-416

[email protected]

web.nvd.nist.gov

104

cve-2021-42381

busybox

awk applet

denial of service

code execution

nvd

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.9%

JSON

A use-after-free in Busybox’s awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the hash_init function

Affected configurations

NVD

Node

busyboxbusyboxRange1.21.0–1.33.1

Node

fedoraprojectfedoraMatch33

fedoraprojectfedoraMatch34

CPENameOperatorVersion
busybox:busyboxbusyboxle1.33.1

CPE	Name	Operator	Version
busybox:busybox	busybox	le	1.33.1

CNA Affected

[
  {
    "vendor": "busybox",
    "product": "busybox",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "1.34.0",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]