CVE-2007-5361
HighSummary
Serwer komunikacyjny w Alcatel-Lucent OmniPCX Enterprise 7.1 i wcześniejszych wersjach buforuje adres IP podczas żądania TFTP z telefonu IP Touch, co skutkuje używaniem tego adresu jako docelowego dla wszystkich kolejnych pakietów VoIP do tego telefonu. Umożliwia to zdalnym atakującym spowodowanie odmowy usługi (utrata dźwięku) lub przechwycenie komunikacji głosowej za pomocą spreparowanego żądania TFTP zawierającego adres MAC telefonu w nazwie pliku.
Risk Assessment
Organizacja narażona jest na utratę komunikacji głosowej oraz możliwość przechwycenia poufnych rozmów, co może prowadzić do poważnych konsekwencji dla bezpieczeństwa danych.
Recommendation
Zaleca się aktualizację oprogramowania do najnowszej wersji oraz wdrożenie zabezpieczeń sieciowych, aby ograniczyć dostęp do serwera TFTP tylko dla zaufanych urządzeń.
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Original NVD description (English source)
The Communication Server in Alcatel-Lucent OmniPCX Enterprise 7.1 and earlier caches an IP address during a TFTP request from an IP Touch phone, and uses this IP address as the destination for all subsequent VoIP packets to this phone, which allows remote attackers to cause a denial of service (loss of audio) or intercept voice communications via a crafted TFTP request containing the phone's MAC address in the filename.

