CVE-2008-4247
HighSummary
Podatność CVE-2008-4247 dotyczy serwera FTP w systemach OpenBSD 4.3, FreeBSD 7.0, NetBSD 4.0, Solaris i innych, który interpretuje długie polecenia z klienta FTP jako wiele poleceń. Umożliwia to zdalnym atakującym przeprowadzenie ataków CSRF i wykonanie dowolnych poleceń FTP za pomocą długiego URI ftp://.
Risk Assessment
Atakujący mogą wykorzystać tę podatność do przejęcia sesji użytkownika i wykonywania nieautoryzowanych poleceń FTP, co może prowadzić do utraty danych lub kompromitacji systemu. Organizacje powinny być świadome ryzyka związanego z nieautoryzowanym dostępem do zasobów FTP.
Recommendation
Zaleca się aktualizację systemów do najnowszych wersji, które eliminują tę podatność oraz monitorowanie logów FTP w celu wykrywania podejrzanych działań. Dodatkowo, warto rozważyć ograniczenie długości poleceń FTP w konfiguracji serwera.
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Original NVD description (English source)
ftpd in OpenBSD 4.3, FreeBSD 7.0, NetBSD 4.0, Solaris, and possibly other operating systems interprets long commands from an FTP client as multiple commands, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks and execute arbitrary FTP commands via a long ftp:// URI that leverages an existing session from the FTP client implementation in a web browser.