4.9

CVE-2019-19269

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Proftpd ≫ Proftpd Version <= 1.3.5e
Proftpd ≫ Proftpd Version 1.3.6 Update -
Proftpd ≫ Proftpd Version 1.3.6 Update alpha
Proftpd ≫ Proftpd Version 1.3.6 Update beta
Proftpd ≫ Proftpd Version 1.3.6 Update rc1
Proftpd ≫ Proftpd Version 1.3.6 Update rc2
Proftpd ≫ Proftpd Version 1.3.6 Update rc3
Proftpd ≫ Proftpd Version 1.3.6 Update rc4
Fedoraproject ≫ Fedora Version 30
Fedoraproject ≫ Fedora Version 31
Debian ≫ Debian Linux Version 8.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.65% 0.734
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 4.9 1.2 3.6
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NIST 4 8 2.9
AV:N/AC:L/Au:S/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://www.oracle.com/security-alerts/cpuapr2020.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html
https://security.gentoo.org/glsa/202003-35
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGBBCPLJSDPFG5EI5P5G7P4KEX7YSD5G/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QR65XUHPCRU3NXTSFVF2J4GWRIHC7AHW/
https://github.com/proftpd/proftpd/issues/861
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00039.html
Third Party Advisory