Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.018
EPSS Ranking 81.8%
CVSS Severity
CVSS v3 Score 4.9
CVSS v2 Score 4.0
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
Products affected by CVE-2019-19269
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cpe:2.3:a:proftpd:proftpd:1.2.0
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cpe:2.3:a:proftpd:proftpd:1.2.1
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cpe:2.3:a:proftpd:proftpd:1.2.10
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cpe:2.3:a:proftpd:proftpd:1.2.2
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cpe:2.3:a:proftpd:proftpd:1.2.3
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cpe:2.3:a:proftpd:proftpd:1.2.4
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cpe:2.3:a:proftpd:proftpd:1.2.5
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cpe:2.3:a:proftpd:proftpd:1.2.6
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cpe:2.3:a:proftpd:proftpd:1.2.7
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cpe:2.3:a:proftpd:proftpd:1.2.8
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cpe:2.3:a:proftpd:proftpd:1.2.9
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cpe:2.3:a:proftpd:proftpd:1.3.0
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cpe:2.3:a:proftpd:proftpd:1.3.1
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cpe:2.3:a:proftpd:proftpd:1.3.2
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cpe:2.3:a:proftpd:proftpd:1.3.3
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cpe:2.3:a:proftpd:proftpd:1.3.4
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cpe:2.3:a:proftpd:proftpd:1.3.5
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cpe:2.3:a:proftpd:proftpd:1.3.5a
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cpe:2.3:a:proftpd:proftpd:1.3.5b
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cpe:2.3:a:proftpd:proftpd:1.3.5c
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cpe:2.3:a:proftpd:proftpd:1.3.5d
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cpe:2.3:a:proftpd:proftpd:1.3.5e
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cpe:2.3:a:proftpd:proftpd:1.3.6
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:fedoraproject:fedora:30
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cpe:2.3:o:fedoraproject:fedora:31