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CVE-2019-19269

Published: Nov 26, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-476
4.9MEDIUM
NVD MITRE
EPSS Score
1.6%
Top 26.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-476

Affected Products

Novell Inc.
commercial·US
OpenSUSE LeapOn-premOS
Operating Systems / linux-distro
openSUSE TumbleweedOn-prem
Operating Systems / linux-distro
SUSE Package HubOn-prem
Operating Systems / linux-distro
SUSE Linux Enterprise High Performance ComputingOn-prem
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsOn-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Module for Server ApplicationsOn-prem
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
The ProFTPD Project
oss-project
ProFTPDOn-prem
OSS Libraries
proftpd
oss-projectaka proftpd-dfsg
proftpdOn-prem
Networking Infrastructure / network-management
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
and 3 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-proftpd-22102025/?sphrase_id=1330675
redos.red-soft.ru
https://github.com/proftpd/proftpd/issues/861
github.com
https://security-tracker.debian.org/tracker/CVE-2019-19269
security-tracker.debian.org
and 8 more references View all →
News mentions
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