Denial of Service Vulnerability in Core FTP Server by Core FTP
CVE-2018-20658

7.5HIGH

Key Information:

Vendor

Coreftp

Status
Core Ftp
Vendor
CVE Published:
2 January 2019

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 19%

What is CVE-2018-20658?

The server component of Core FTP 2.0 build 653 for 32-bit platforms is vulnerable to a denial of service attack. Remote attackers can exploit this vulnerability by sending a specially crafted XRMD command, resulting in a crash of the server daemon. This vulnerability significantly disrupts service availability, making it crucial for users to be aware and take appropriate measures to mitigate the risk.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-20658 - Proof of Concept

References

https://www.exploit-db.com/exploits/45091
exploitx_refsource_EXPLOIT-DB
http://coreftp.com/forums/viewtopic.php?f=15&t=4022509
x_refsource_MISC

EPSS Score

19% chance of being exploited in the next 30 days.

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 Reserved

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

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