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VULNERABILITIES

CVE-2019-19269 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html CVE
https://github.com/proftpd/proftpd/issues/861 CVEPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00039.html CVEThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGBBCPLJSDPFG5EI5P5G7P4KEX7YSD5G/ CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QR65XUHPCRU3NXTSFVF2J4GWRIHC7AHW/ CVE

see all 14 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
proftpd proftpd
<= 1.3.5e
1.3.6 -
1.3.6 alpha
1.3.6 beta
1.3.6 rc1

CPE

  • cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*
  • cpe:2.3:a:proftpd:proftpd:1.3.6:-:*:*:*:*:*:*
  • cpe:2.3:a:proftpd:proftpd:1.3.6:alpha:*:*:*:*:*:*
  • cpe:2.3:a:proftpd:proftpd:1.3.6:beta:*:*:*:*:*:*
  • cpe:2.3:a:proftpd:proftpd:1.3.6:rc1:*:*:*:*:*:*
  • cpe:2.3:a:proftpd:proftpd:1.3.6:rc2:*:*:*:*:*:*
  • cpe:2.3:a:proftpd:proftpd:1.3.6:rc3:*:*:*:*:*:*
  • cpe:2.3:a:proftpd:proftpd:1.3.6:rc4:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
30
31

CPE

  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
8.0

CPE

  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2019-19269
NVD Published Date:
Nov 30, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2019-19269 Details - Not Deferred