CVE-2019-19271

High

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by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.

SeverityHigh
CVSS7.5
Exploit probability—
ProductProftpd
PublishedNov 26, 2019
First seenNov 26, 2019

How to fix

Update
  • proftpd proftpd1.3.6 or later

Affected products

ProductAffected versionsFixed in
proftpd proftpdv < 1.3.61.3.6

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