An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. Failure to check for the appropriate field of a CRL entry (checking twice for subject, rather than once for subject and once for issuer) prevents some valid CRLs from being taken into account, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade proftpd-dfsg | Jul 30, 2024 | Nov 26, 2019 |
| Oracle Solaris | — | Upgrade service/network/ftp to version 1.3.6-11.4.19.0.1.2.0 on Solaris 11.4 | Jan 19, 2021 | Nov 26, 2019 |
| Proftp Proftpd | — | Update ProFTP ProFTPd to the latest version | Nov 6, 2025 | Nov 26, 2019 |
| Suse | — | Upgrade proftpd-radiusUpgrade proftpd-docUpgrade proftpd-langUpgrade proftpd-mysqlUpgrade proftpd-develUpgrade proftpd-ldapUpgrade proftpdUpgrade proftpd-sqliteUpgrade proftpd-pgsql | Jan 15, 2020 | Nov 26, 2019 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub