#VU54424 Out-of-bounds write in PowerISO - CVE-2021-21871
Published: June 29, 2021
Vulnerability identifier: #VU54424
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/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-2021-21871
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PowerISO
PowerISO
Software vendor:
PowerISO Computing, Inc.
PowerISO Computing, Inc.
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the DMG File Format Handler functionality. A remote attacker can create a specially crafted DMG file, trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.