PT-2022-23159 · Sftpgo · Sftpgo

Drakkan · Published 2022-09-02 · Updated 2024-08-21 · CVE-2022-36071

Positive Technologies (AI Summary)

CVSS v3.1

8.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions SFTPGo versions 2.2.0 through 2.3.3

Description SFTPGo is a configurable SFTP server with optional HTTP/S, FTP/S, and WebDAV support. It supports login using TOTP (Time-based One Time Passwords) as a secondary authentication factor and also supports recovery codes, which are a set of one-time use codes that can be used instead of the TOTP. An attacker who knows the user's password could potentially generate some recovery codes and then bypass two-factor authentication after it is enabled on the account at a later time. This issue has been fixed in version 2.3.4, where recovery codes can now only be generated after enabling two-factor authentication and are deleted after disabling it.

Recommendations For SFTPGo versions 2.2.0 through 2.3.3, update to version 2.3.4 to resolve the issue. As a temporary workaround, consider regenerating recovery codes after enabling two-factor authentication.

Exploit

Fix

Improper Authentication

Weakness Enumeration

CWE-916

CWE-287

Related Identifiers

CVE-2022-36071

GHSA-54QX-8P8W-XHG8

GO-2022-0964

Affected Products

Sftpgo

References · 10

• 🔥 https://github.com/drakkan/sftpgo/issues/965 · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/36xxx/CVE-2022-36071.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-36071 · Security Note
• https://osv.dev/vulnerability/GO-2022-0964 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-36071 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-54qx-8p8w-xhg8 · Vendor Advisory
• https://github.com/drakkan/sftpgo · Note
• https://github.com/drakkan/sftpgo/security/advisories/GHSA-54qx-8p8w-xhg8 · Note
• https://t.me/cibsecurity/49259 · Telegram Post
• https://t.me/cvenotify/35647 · Telegram Post