Bug#946346: proftpd-dfsg: CVE-2019-19270

[Salvatore Bonaccorso]

Source: proftpd-dfsg
Version: 1.3.6b-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/proftpd/proftpd/issues/859
Control: found -1 1.3.6-4+deb10u2

Hi,

The following vulnerability was published for proftpd-dfsg.

CVE-2019-19270[0]:
| 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| clients whose certificates have been revoked to proceed with a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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2019-19270
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19270
[1] https://github.com/proftpd/proftpd/issues/859

Regards,
Salvatore