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CVE-2019-19269

MEDIUM

4.9

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.

CVE Details

CVSS v3.1 Score4.9

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published11/30/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxfedoraproject:fedoraproftpd:proftpd

Weaknesses (CWE)

CWE-476

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html(cve@mitre.org)

https://github.com/proftpd/proftpd/issues/861(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2019/11/msg00039.html(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGBBCPLJSDPFG5EI5P5G7P4KEX7YSD5G/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QR65XUHPCRU3NXTSFVF2J4GWRIHC7AHW/(cve@mitre.org)

https://security.gentoo.org/glsa/202003-35(cve@mitre.org)

https://www.oracle.com/security-alerts/cpuapr2020.html(cve@mitre.org)

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/proftpd/proftpd/issues/861(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2019/11/msg00039.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGBBCPLJSDPFG5EI5P5G7P4KEX7YSD5G/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QR65XUHPCRU3NXTSFVF2J4GWRIHC7AHW/(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202003-35(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpuapr2020.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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