Remote Denial-of-Service in ProFTPD by ProFTPD Developers
CVE-2019-18217

7.5HIGH

Key Information:

Vendor

Proftpd

Status
Proftpd
Vendor
CVE Published:
21 October 2019

What is CVE-2019-18217?

ProFTPD, a popular FTP server software, is susceptible to a remote denial-of-service flaw due to improper handling of excessively long commands. This vulnerability occurs in the main.c module where a child process may enter an infinite loop, causing service interruptions. Attackers can exploit this by sending specially crafted commands, potentially leading to downtime for users. It is advisable for administrators to update ProFTPD to the latest version to mitigate this vulnerability and safeguard their systems.

References

https://github.com/proftpd/proftpd/issues/846
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https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
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https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.