#VU52671 Resource management error in macOS - CVE-2021-1855

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU52671

#VU52671 Resource management error in macOS - CVE-2021-1855

Published: April 27, 2021


Vulnerability identifier: #VU52671
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1855
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
macOS
Software vendor:
Apple Inc.

Description

The vulnerability allows a remote attacker to perform unnecessary network connections.

The vulnerability exists due to improper management of internal resources within Safari on macOS. A remote attacker can create a specially crafted website and force unnecessary network connections to fetch its favicon.


Remediation

Install updates from vendor's website.

External links