Is CVE-2019-19269 actively exploited?

CVE-2019-19269 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2019-19269?

CVE-2019-19269 has a CVSS score of 4.9 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2019-19269?

Patch guidance is available from proftpd security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-19269.

CVE-2019-19269 - remediation guidance & executive summary

Q: Which products are affected by CVE-2019-19269?

11 products: proftpd proftpd, proftpd proftpd, proftpd proftpd, proftpd proftpd, proftpd proftpd, and 6 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: high
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-476 · NULL Pointer Dereference

Metadata

Primary Vendor: PROFTPD
Published: 11/30/2019
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

proftpd : proftpdproftpd : proftpdproftpd : proftpdproftpd : proftpdproftpd : proftpdproftpd : proftpdproftpd : proftpdproftpd : proftpdfedoraproject : fedorafedoraproject : fedoradebian : debian_linux

Remediation Guidance

Executive Summary

View on NIST NVD