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Vulnerability Intelligence

CVE-2018-7573

CriticalPublic exploit

A remote FTP server can send 400 characters of 'F' in conjunction with the FTP 220 response code to crash the application; after this overflow, one can run arbitrary code on the victim machine.

Published Mar 1, 2018 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2018-7573 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Ftpshell Client.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 69% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3

9.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

69%

Higher than 99.3% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2018-7573 brief as a PDF

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Description

An issue was discovered in FTPShell Client 6.7. A remote FTP server can send 400 characters of 'F' in conjunction with the FTP 220 response code to crash the application; after this overflow, one can run arbitrary code on the victim machine. This is similar to CVE-2009-3364 and CVE-2017-6465.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Ftpshell ClientFtpshell6.70n/a

Timeline

  1. Publicly disclosed

    Mar 1, 2018

  2. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

1 more references in the full CVE brief

FAQ

Common Questions.

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