CVE-2019-19269

CVSS V2 Medium 4 CVSS V3 Medium 4.9
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.
Overview
  • CVE ID
  • CVE-2019-19269
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-11-30T23:15:18
  • Last Modified Date
  • 2020-01-13T22:15:11
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:* 1 OR 1.3.5e
cpe:2.3:a:proftpd:proftpd:1.3.6:-:*:*:*:*:*:* 1 OR
cpe:2.3:a:proftpd:proftpd:1.3.6:alpha:*:*:*:*:*:* 1 OR
cpe:2.3:a:proftpd:proftpd:1.3.6:beta:*:*:*:*:*:* 1 OR
cpe:2.3:a:proftpd:proftpd:1.3.6:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:proftpd:proftpd:1.3.6:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:proftpd:proftpd:1.3.6:rc3:*:*:*:*:*:* 1 OR
cpe:2.3:a:proftpd:proftpd:1.3.6:rc4:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 4.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://lists.debian.org/debian-lts-announce/2019/11/msg00039.html Third Party Advisory
https://github.com/proftpd/proftpd/issues/861 Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QR65XUHPCRU3NXTSFVF2J4GWRIHC7AHW/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OGBBCPLJSDPFG5EI5P5G7P4KEX7YSD5G/ Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html
https://security.gentoo.org/glsa/202003-35
https://www.oracle.com/security-alerts/cpuapr2020.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-19269
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19269
History
Created Old Value New Value Data Type Notes
2022-05-10 16:53:50 Added to TrackCVE
2022-12-04 07:14:18 2019-11-30T23:15Z 2019-11-30T23:15:18 CVE Published Date updated
2022-12-04 07:14:18 2020-01-13T22:15:11 CVE Modified Date updated
2022-12-04 07:14:18 Modified Vulnerability Status updated