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CVE-2010-20121

CRITICAL

9.8

Descricao

EasyFTP Server versions up to 1.7.0.11 contain a stack-based buffer overflow vulnerability in the FTP command parser. When processing the CWD (Change Working Directory) command, the server fails to properly validate the length of the input string, allowing attackers to overwrite memory on the stack. This flaw enables remote code execution without authentication, as EasyFTP allows anonymous access by default. The vulnerability was resolved in version 1.7.0.12, after which the product was renamed “UplusFtp.”

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado8/21/2025

Ultima modificacao9/10/2025

Fontenvd

Avistamentos honeypot0

Produtos afetados

easyftp_server_project:easyftp_server

Fraquezas (CWE)

CWE-121

Referencias

https://paulmakowski.wordpress.com/2010/02/28/increasing-payload-size-w-return-address-overwrite/(disclosure@vulncheck.com)

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/easyftp_cwd_fixret.rb(disclosure@vulncheck.com)

https://seclists.org/bugtraq/2010/Feb/202(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/11668(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/12312(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/14402(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/16737(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/easyftp-server-cwd-command-stack-buffer-overflow(disclosure@vulncheck.com)

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/easyftp_cwd_fixret.rb(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://seclists.org/bugtraq/2010/Feb/202(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://www.exploit-db.com/exploits/11668(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://www.exploit-db.com/exploits/12312(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://www.exploit-db.com/exploits/14402(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://www.exploit-db.com/exploits/16737(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

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