CVE-2019-19271 Information

Description

An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable used when checking a client certificate against CRL entries (installed by a system administrator) can cause some CRL entries to be ignored and can allow clients whose certificates have been revoked to proceed with a connection to the server.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

https://github.com/proftpd/proftpd/issues/860

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5