An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL sk_X509_REVOKED_value() function when encountering an empty CRL installed by a system administrator. The dereference occurs when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2018-1 proftpd-dfsg security update
EUVD EUVD EUVD-2019-8895 An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL sk_X509_REVOKED_value() function when encountering an empty CRL installed by a system administrator. The dereference occurs when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T02:09:39.567Z

Reserved: 2019-11-26T00:00:00.000Z

Link: CVE-2019-19269

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-11-30T23:15:18.223

Modified: 2024-11-21T04:34:27.800

Link: CVE-2019-19269

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses