#VU69653 Release of invalid pointer or reference in BusyBox - CVE-2021-42377 

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Main Vulnerability Database Vulnerabilities #VU69653

#VU69653 Release of invalid pointer or reference in BusyBox - CVE-2021-42377

Published: November 28, 2022


Vulnerability identifier: #VU69653
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-42377
CWE-ID: CWE-763
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
BusyBox
Software vendor:
busybox.net

Description

The vulnerability allows a remote attacker execute arbitrary code on the system.

The vulnerability exists due to improper input validation within the hush applet. A remote attacker can pass a specially crafted input to the application and potentially execute arbitrary shell commands.


Remediation

Install updates from vendor's website.

External links