A use-after-free in Busybox 1.35-x's awk applet leads to... · CVE-2022-30065 · GitHub Advisory Database · GitHub

A use-after-free in Busybox 1.35-x's awk applet leads to...

High severity Unreviewed Published May 19, 2022 to the GitHub Advisory Database • Updated Jan 29, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.

References

Published by the National Vulnerability Database

May 18, 2022

Published to the GitHub Advisory Database May 19, 2022

Last updated Jan 29, 2023

Severity

High

7.8

/ 10

CVSS base metrics

Attack vector

Local

Attack complexity

Low

Privileges required

None

User interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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