Use-after-free in BusyBox - CVE-2022-30065
Published: August 8, 2022 / Updated: September 4, 2023
Vulnerability identifier: #VU66182
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-30065
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: busybox.net
Affected software:
BusyBox
BusyBox
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing a crafted awk pattern in the copyvar function. A remote attacker can execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2022-30065
Install update from vendor's website.