7.5
CWE
835
Advisory Published
Updated

CVE-2019-18217

First published: Mon Oct 21 2019(Updated: )

ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/proftpd-dfsg<=1.3.6a-1<=1.3.6-6<=1.3.5b-4+deb9u1<=1.3.6-4+deb10u1<=1.3.5b-1
1.3.6-4+deb10u2
1.3.6a-2
1.3.5b-4+deb9u2
debian/proftpd-dfsg
1.3.6-4+deb10u6
1.3.6-4+deb10u4
1.3.7a+dfsg-12+deb11u2
1.3.8+dfsg-4+deb12u1
1.3.8+dfsg-8
Proftpd Proftpd<=1.3.5
Proftpd Proftpd=1.3.6
Proftpd Proftpd=1.3.6-a
Proftpd Proftpd=1.3.6-rc1
Proftpd Proftpd=1.3.6-rc2
Proftpd Proftpd=1.3.6-rc3
Proftpd Proftpd=1.3.6-rc4
Proftpd Proftpd=1.3.7-rc1

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Reference Links

Frequently Asked Questions

  • What is CVE-2019-18217?

    CVE-2019-18217 is a vulnerability in ProFTPD versions before 1.3.6b and 1.3.7rc before 1.3.7rc2 that allows remote unauthenticated denial-of-service attacks.

  • How severe is CVE-2019-18217?

    CVE-2019-18217 has a severity rating of 7.5 (high).

  • What is the affected software of CVE-2019-18217?

    The affected software of CVE-2019-18217 includes ProFTPD versions 1.3.5, 1.3.6, 1.3.6-a, 1.3.6-rc1, 1.3.6-rc2, 1.3.6-rc3, 1.3.6-rc4, and 1.3.7-rc1.

  • How can I fix CVE-2019-18217?

    To fix CVE-2019-18217, it is recommended to update ProFTPD to version 1.3.6b or 1.3.7rc2, or apply the appropriate security patches provided by the vendor.

  • Where can I find more information about CVE-2019-18217?

    You can find more information about CVE-2019-18217 on the following references: http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html, https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf, and https://github.com/proftpd/proftpd/blob/1.3.6/NEWS

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