PT-2023-19375 · Lightftp · Lightftp

Ztrix · Published 2023-01-21 · Updated 2025-12-08 · CVE-2023-24042

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions LightFTP versions 1.0 through 2.2 LightFTP version 2.2

Description A race condition in the software allows an attacker to achieve path traversal via a malformed FTP request. This occurs because a handler thread can use an overwritten context->FileName.

Recommendations For LightFTP versions 1.0 through 2.2, update to a version that fixes the race condition issue. For LightFTP version 2.2, update to a version that fixes the race condition issue. As a temporary workaround, consider restricting access to the FTP service until a patch is available.

Exploit

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2023-24042

Affected Products

Lightftp

References · 7

• 🔥 https://github.com/hfiref0x/LightFTP/issues/25 · Exploit
• https://osv.dev/vulnerability/CVE-2023-24042 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-24042 · Security Note
• https://t.me/cveNotify/145128 · Telegram Post
• https://t.me/cvenotify/117376 · Telegram Post
• https://t.me/cvenotify/42621 · Telegram Post
• https://t.me/cvenotify/43094 · Telegram Post