CVE-2019-19269
proftpd-dfsg - security update
4.9
MEDIUM
CVSS 3.1
EPSS 1.0%
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.
How to fix CVE-2019-19269
To remediate CVE-2019-19269, upgrade the affected package to a fixed version below.
- —upgrade to 1.3.6b-2 or later
- —upgrade to 1.3.5e+r1.3.5-2+deb8u5 or later
Is CVE-2019-19269 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.3.6b-2
- from 0, < 1.3.5e+r1.3.5-2+deb8u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |