PT-2021-22897 · Gnu+2 · Gnu Inetutils+2

Zeddyu Lu · CVE-2021-40491 · Published 2021-09-03 · Updated 2024-03-11

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GNU Inetutils versions prior to 2.2

Description The issue concerns the ftp client in GNU Inetutils, which fails to validate addresses returned by PASV/LSPV responses, ensuring they match the server address.

Recommendations For GNU Inetutils versions prior to 2.2, update to version 2.2 or later to resolve the issue.

Fix

Insufficient Verification of Data Authenticity

Weakness Enumeration

CWE-345

Related Identifiers

CVE-2021-40491

DLA-3205-1

USN-5177-1

Affected Products

Gnu Inetutils

Linuxmint

Ubuntu

References · 17

• https://ubuntu.com/security/notices/USN-5177-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-40491 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-40491 · Security Note
• https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-40491 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-40491 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-40491 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-40491 · Vendor Advisory
• https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html · Vendor Advisory
• https://osv.dev/vulnerability/USN-5177-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3205-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-40491 · Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html · Note
• https://t.me/cvenotify/20626 · Telegram Post
• https://goteleport.com/docs/ver/19.x/changelog/#1437-031124 · Note