A use-after-free in Busybox's awk applet leads to denial... · CVE-2021-42385 · GitHub Advisory Database · GitHub

A use-after-free in Busybox's awk applet leads to denial...

High severity Unreviewed Published Nov 17, 2021 to the GitHub Advisory Database • Updated Apr 26, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

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

References

Published by the National Vulnerability Database

Nov 15, 2021

Published to the GitHub Advisory Database Nov 17, 2021

Last updated Apr 26, 2023

Severity

High

7.2

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

High

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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