#VU50200 Out-of-bounds read in macOS - CVE-2021-1778
Published: February 2, 2021
Vulnerability identifier: #VU50200
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1778
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
macOS
macOS
Software vendor:
Apple Inc.
Apple Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when processing image files within the curl implementation in the ImageIO component in macOS. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and crash the system.
Remediation
Install updates from vendor's website.