CVE-2008-2469
HighSummary
W funkcji SPF_dns_resolv_lookup w pliku Spf_dns_resolv.c w libspf2 przed wersją 1.2.8 występuje przepełnienie bufora oparte na stercie, które umożliwia zdalnym atakującym wykonanie dowolnego kodu poprzez długi rekord DNS TXT z zmodyfikowanym polem długości.
Risk Assessment
Atakujący może wykorzystać tę podatność do zdalnego wykonania kodu, co może prowadzić do przejęcia kontroli nad systemem lub wycieku danych. Organizacje powinny być świadome ryzyka związanego z nieautoryzowanym dostępem do ich systemów.
Recommendation
Zaleca się aktualizację libspf2 do wersji 1.2.8 lub nowszej, aby usunąć tę podatność. Dodatkowo, warto monitorować i ograniczać dostęp do usług DNS w celu minimalizacji ryzyka.
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Original NVD description (English source)
Heap-based buffer overflow in the SPF_dns_resolv_lookup function in Spf_dns_resolv.c in libspf2 before 1.2.8 allows remote attackers to execute arbitrary code via a long DNS TXT record with a modified length field.