CVE-2008-2710
HighSummary
Błąd związany z podpisem liczby całkowitej w funkcji ip_set_srcfilter w filtrze multicast IP w jądrze Sun Solaris 10 i OpenSolaris przed snv_92 pozwala lokalnym użytkownikom na wykonanie dowolnego kodu w innych strefach Solaris. Wykorzystanie dużej wartości pola imsf->imsf_numsrc w żądaniu IOCTL SIOCSIPMSFILTER powoduje zapis poza granicami pamięci jądra.
Risk Assessment
Podatność ta umożliwia lokalnym użytkownikom uzyskanie nieautoryzowanego dostępu do systemu, co może prowadzić do poważnych naruszeń bezpieczeństwa. Wykorzystanie tej luki może skutkować przejęciem kontroli nad systemem operacyjnym.
Recommendation
Zaleca się aktualizację systemu do najnowszej wersji, która zawiera poprawki bezpieczeństwa. Należy również ograniczyć dostęp do systemu tylko do zaufanych użytkowników oraz monitorować logi w celu wykrycia potencjalnych prób wykorzystania tej luki.
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Original NVD description (English source)
Integer signedness error in the ip_set_srcfilter function in the IP Multicast Filter in uts/common/inet/ip/ip_multi.c in the kernel in Sun Solaris 10 and OpenSolaris before snv_92 allows local users to execute arbitrary code in other Solaris Zones via an SIOCSIPMSFILTER IOCTL request with a large value of the imsf->imsf_numsrc field, which triggers an out-of-bounds write of kernel memory. NOTE: this was reported as an integer overflow, but the root cause involves the bypass of a signed comparison.

