CVE-2019-19269
published 2019-11-30CVE-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…
PriorityP424medium4.9CVSS 3.1
AVNACLPRHUINSUCNINAH
EPSS
1.65%
73.8th percentile
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.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | proftpd-dfsg | < proftpd-dfsg 1.3.6b-2 (bookworm) | proftpd-dfsg 1.3.6b-2 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| proftpd | proftpd | <= 1.3.5e | — |
| proftpd | proftpd | — | — |
CVSS provenance
nvdv3.14.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:P
osv4.9MEDIUM
vendor_debian4.9MEDIUM
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GHSA
GHSA-46rx-rvqp-8rxj: An issue was discovered in tls_verify_crl in ProFTPD through 1
ghsa_unreviewed·2022-05-24
CVE-2019-19269 [MEDIUM] GHSA-46rx-rvqp-8rxj: An issue was discovered in tls_verify_crl in ProFTPD through 1
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.
OSV
CVE-2019-19269: An issue was discovered in tls_verify_crl in ProFTPD through 1
osv·2019-11-30·CVSS 4.9
CVE-2019-19269 [MEDIUM] CVE-2019-19269: An issue was discovered in tls_verify_crl in ProFTPD through 1
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.
Debian
CVE-2019-19269: proftpd-dfsg - An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereferen...
vendor_debian·2019·CVSS 4.9
CVE-2019-19269 [MEDIUM] CVE-2019-19269: proftpd-dfsg - An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereferen...
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.
Scope: local
bookworm: resolved (fixed in 1.3.6b-2)
bullseye: resolved (fixed in 1.3.6b-2)
forky: resolved (fixed in 1.3.6b-2)
sid: resolved (fixed in 1.3.6b-2)
trixie: resolved (fixed in 1.3.6b-2)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [epel-8]
bugzilla·2019-11-29·CVSS 4.9
CVE-2019-19269 [MEDIUM] CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [epel-8]
CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [epel-8]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-8.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discus
Bugzilla
CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [epel-7]
bugzilla·2019-11-28·CVSS 4.9
CVE-2019-19269 [MEDIUM] CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [epel-7]
CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discus
Bugzilla
CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server
bugzilla·2019-11-28·CVSS 4.9
CVE-2019-19269 [MEDIUM] CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server
CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server
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.
Discussion:
Created proftpd tracking bugs for this issue:
Affects: epel-6 [bug 1777977]
Affects: epel-7 [bug 1777978]
Affects: fedora-all [bug 1777976]
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercia
Bugzilla
CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [fedora-all]
bugzilla·2019-11-28·CVSS 4.9
CVE-2019-19269 [MEDIUM] CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [fedora-all]
CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Bugzilla
CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [epel-6]
bugzilla·2019-11-28·CVSS 4.9
CVE-2019-19269 [MEDIUM] CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [epel-6]
CVE-2019-19269 proftpd: NULL pointer dereference when validating the certificate of a client connecting to the server [epel-6]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-6.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discus
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.htmlhttps://github.com/proftpd/proftpd/issues/861https://lists.debian.org/debian-lts-announce/2019/11/msg00039.htmlhttps://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/202003-35https://www.oracle.com/security-alerts/cpuapr2020.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.htmlhttps://github.com/proftpd/proftpd/issues/861https://lists.debian.org/debian-lts-announce/2019/11/msg00039.htmlhttps://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/202003-35https://www.oracle.com/security-alerts/cpuapr2020.html
2019-11-30
Published