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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.9 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 81%
VendorProductVersion
proftpdproftpd
𝑥
≤ 1.3.5e
proftpdproftpd
1.3.6
proftpdproftpd
1.3.6:alpha
proftpdproftpd
1.3.6:beta
proftpdproftpd
1.3.6:rc1
proftpdproftpd
1.3.6:rc2
proftpdproftpd
1.3.6:rc3
proftpdproftpd
1.3.6:rc4
debiandebian_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
proftpd-dfsg
bullseye
1.3.7a+dfsg-12+deb11u2
fixed
bookworm
1.3.8+dfsg-4+deb12u3
fixed
trixie
1.3.8.b+dfsg-2
fixed
sid
1.3.8.b+dfsg-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
proftpd-dfsg
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
eoan
ignored
disco
ignored
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html
https://github.com/proftpd/proftpd/issues/861
https://lists.debian.org/debian-lts-announce/2019/11/msg00039.html
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://security.gentoo.org/glsa/202003-35
https://www.oracle.com/security-alerts/cpuapr2020.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html
https://github.com/proftpd/proftpd/issues/861
https://lists.debian.org/debian-lts-announce/2019/11/msg00039.html
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://security.gentoo.org/glsa/202003-35
https://www.oracle.com/security-alerts/cpuapr2020.html