#VU53487 Buffer overflow in macOS - CVE-2021-30737

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Main Vulnerability Database Vulnerabilities #VU53487

#VU53487 Buffer overflow in macOS - CVE-2021-30737

Published: May 24, 2021 / Updated: June 14, 2021


Vulnerability identifier: #VU53487
Vulnerability risk: High
CVSSv4.0: 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-2021-30737
CWE-ID: CWE-119
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 execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the ASN.1 decoder when processing TLS certificates. A remote attacker can trick the victim to visit a specially crafted website, trigger memory corruption with a specially crafted TLS certificate and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links