CVE-2019-19269
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
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:HPrivileges RequiredHigh
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
Novell Inc.
commercial·US
Сообщество свободного программного обеспечения
oss-projectaka fsf
ООО «Ред Софт»
commercial·RUaka red soft
The ProFTPD Project
oss-project
ProFTPDOn-prem
OSS Librariesproftpd
oss-projectaka proftpd-dfsg
fedoraproject
oss-project·USaka fedora project
and 3 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
2 techniques Impact
Initial Access
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 →
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