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nvd[email protected]NVD:CVE-2021-42383
HistoryNov 15, 2021 - 9:15 p.m.

CVE-2021-42383

2021-11-1521:15:08
CWE-416
web.nvd.nist.gov
10
busybox
awk
vulnerability
denial of service
code execution

CVSS2

6.5

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

CVSS3

7.2

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

EPSS

0.002

Percentile

61.8%

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 evaluate function

Affected configurations

Nvd
Node
busyboxbusyboxMatch1.33.1
Node
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34

CVSS2

6.5

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

CVSS3

7.2

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

EPSS

0.002

Percentile

61.8%