CVE-2008-1668
HighSummary
W pliku ftpd.c w wersji wu-ftpd 2.4.2 oraz ftpd w HP HP-UX B.11.11, w przypadku nieprawidłowej konfiguracji systemu operacyjnego, użytkownik FTP może otrzymać uid 0, co pozwala na uzyskanie uprawnień przez zdalnych atakujących. Problem ten występuje, gdy uwierzytelnianie PAM jest skuteczne, mimo braku wpisu passwd dla użytkownika.
Risk Assessment
Organizacja narażona jest na nieautoryzowany dostęp i potencjalne przejęcie kontroli nad systemem przez zdalnych atakujących, co może prowadzić do poważnych konsekwencji bezpieczeństwa.
Recommendation
Zaleca się przegląd i poprawę konfiguracji systemu, aby upewnić się, że uwierzytelnianie PAM nie przyznaje uid 0 w przypadku braku odpowiednich wpisów w systemie. Należy również rozważyć ograniczenie dostępu do serwera FTP.
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Original NVD description (English source)
ftpd.c in (1) wu-ftpd 2.4.2 and (2) ftpd in HP HP-UX B.11.11 assigns uid 0 to the FTP client in certain operating-system misconfigurations in which PAM authentication can succeed even though no passwd entry is available for a user, which allows remote attackers to gain privileges, as demonstrated by a login attempt for an LDAP account when nsswitch.conf does not specify LDAP for passwd information.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

