PT-2021-10644 · Unknown · Core Ftp Le

Published 2021-04-02 · Updated 2021-04-08 · CVE-2020-21588

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Core FTP LE version 2.2

Description: The issue allows local attackers to cause a denial of service, resulting in a crash, by entering a long string in the Setup->Users->Username editbox. This is due to a buffer overflow.

Recommendations: For Core FTP LE version 2.2, as a temporary workaround, consider restricting the input length in the Setup->Users->Username editbox to prevent the buffer overflow until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-21588

Affected Products

Core Ftp Le

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-21588 · Security Note
• https://osv.dev/vulnerability/CVE-2020-21588 · Vendor Advisory
• ❌ https://github.com/lonely-explorer/CoreFTP/issues/1 · Note, Deleted
• https://t.me/cvenotify/12931 · Telegram Post
• ❌ https://github.com/pwnninja/CoreFTP/issues/1 · Note, Deleted