CVEvulnerability

CVE-2019-19269

4.9 MEDIUM Published 2019-11-30 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-11-30
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.9 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P
Weaknesses
CWE-476

Description

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.

Affected configurations

• proftpd proftpd (<= 1.3.5e) • proftpd proftpd 1.3.6 • fedoraproject fedora 30 • fedoraproject fedora 31 • debian debian linux 8.0

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References