SB2021090925 - Denial of service in Cloudflare cfrpki
Published: September 9, 2021 Updated: June 1, 2022
Security Bulletin ID
SB2021090925
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2021-3761)
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 update from vendor's website.