What’s Vulnerable › Vulnerabilities

CVE-2019-18217

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 20.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-10-21 · updated 2026-06-17
• Weakness: CWE-835

Description

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.

Affected products

• ProFTPD: through 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 (+1)

References

• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html
• https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf
• https://github.com/proftpd/proftpd/blob/1.3.6/NEWS
• https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES
• https://github.com/proftpd/proftpd/blob/master/NEWS
• https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
• https://github.com/proftpd/proftpd/issues/846
• https://lists.debian.org/debian-lts-announce/2019/10/msg00036.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/
• https://seclists.org/bugtraq/2019/Nov/7

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