CVE-2007-3917
HighSummary
Silnik wieloosobowy w Wesnoth 1.2.x przed wersją 1.2.7 oraz 1.3.x przed wersją 1.3.9 pozwala zdalnym serwerom na wywołanie odmowy usługi (crash) poprzez długą wiadomość z wielobajtowymi znakami, co może prowadzić do nieprawidłowego ciągu UTF-8 po obcięciu. To wywołuje nieobsługiwany wyjątek związany z funkcją truncate_message.
Risk Assessment
Podatność ta może prowadzić do awarii zarówno klientów, jak i serwerów, co może zakłócić dostępność usługi dla użytkowników. Organizacje mogą doświadczyć przestojów oraz utraty danych w wyniku ataków wykorzystujących tę lukę.
Recommendation
Zaleca się aktualizację do wersji Wesnoth 1.2.7 lub 1.3.9, aby usunąć tę podatność. Dodatkowo, warto monitorować i ograniczać długość wiadomości przesyłanych przez serwery, aby zminimalizować ryzyko wystąpienia podobnych problemów.
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Original NVD description (English source)
The multiplayer engine in Wesnoth 1.2.x before 1.2.7 and 1.3.x before 1.3.9 allows remote servers to cause a denial of service (crash) via a long message with multibyte characters that can produce an invalid UTF-8 string after it is truncated, which triggers an uncaught exception, involving the truncate_message function in server/server.cpp. NOTE: this issue affects both clients and servers.

