Ubuntu 20.04 — libnet-cidr-perl — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 14 March 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8110-1 Related CVEs: CVE-2021-4456 Upstream summary: Dave Rolsky discovered that Net-CIDR did not properly sanitize IP addresses. An attacker could possibly use this to bypass IP-based restrictions. Table of contents […]