#VU63861 Out-of-bounds write in cfrpki - CVE-2021-3761
Published: May 31, 2022 / Updated: June 1, 2022
Vulnerability identifier: #VU63861
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-3761
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
cfrpki
cfrpki
Software vendor:
Cloudflare, WP Engine
Cloudflare, WP Engine
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can disable RPKI Origin Validation in a victim network to perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.