In breve
- CVE-2022-36071 è una vulnerabilità ALTO (CVSS 8.1) che riguarda github.com/drakkan/sftpgo, github.com/drakkan/sftpgo/v2, sftpgo (sftpgo project).
- Probabilità di sfruttamento nei prossimi 30 giorni (EPSS): 0.55%, superiore al 45.9% delle vulnerabilità.
- Correzione: aggiornare a 2.3.4 o successiva.
Description
Impact
SFTPGo WebAdmin and WebClient support login using TOTP (Time-based One Time Passwords) as a seconday authentication factor. Because TOTPs are often configured on mobile devices that can be lost, stolen or damaged, SFTPGo also supports recovery codes. These are a set of one time use codes that can be used instead of the TOTP.
In SFTPGo versions from v2.2.0 to v2.3.3 recovery codes can be generated before enabling two-factor authentication.
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.
Patches
Fixed in v2.3.4.
Recovery codes can now only be generated after enabling two-factor authentication and are deleted after disabling it.
Workarounds
Regenerate recovery codes after enabling two-factor authentication.
References
https://github.com/drakkan/sftpgo/issues/965
NVD description
SFTPGo is configurable SFTP server with optional HTTP/S, FTP/S and WebDAV support. SFTPGo WebAdmin and WebClient support login using TOTP (Time-based One Time Passwords) as a secondary authentication factor. Because TOTPs are often configured on mobile devices that can be lost, stolen or damaged, SFTPGo also supports recovery codes. These are a set of one time use codes that can be used instead of the TOTP. In SFTPGo versions from version 2.2.0 to 2.3.3 recovery codes can be generated before enabling two-factor authentication. 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. Recovery codes can now only be generated after enabling two-factor authentication and are deleted after disabling it.
Altre vulnerabilità di github.com/drakkan/sftpgo
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