CVE-2024-12668
HighSummary
Wersje Velocidex WinPmem poniżej 4.1 mają podatność na zapis poza zakresem. Używając IO Control, program działający w przestrzeni użytkownika może oszukać sterownik, aby zapisał 0 w dowolnej wybranej lokalizacji pamięci.
Risk Assessment
W połączeniu z wyciekiem informacji z sterownika WinPmem, atakujący mogą odkryć lokalizację globalnego symbolu g_CiOptions w pamięci. Może to zostać wykorzystane do wyłączenia egzekwowania podpisanych sterowników na docelowym systemie, co umożliwia atakującym ładowanie niespodpisanych sterowników.
Recommendation
Zaleca się aktualizację Velocidex WinPmem do wersji 4.1 lub nowszej, aby zniwelować tę podatność. Dodatkowo, monitorowanie i kontrola ładowania sterowników w systemie mogą pomóc w zabezpieczeniu przed nieautoryzowanym dostępem.
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Original NVD description (English source)
Velocidex WinPmem versions below 4.1 suffer from an Out of Bounds Write vulnerability. By using an IO Control, a user space program can trick the driver into writing a 0 into any chosen memory location. In conjunction with information leakage from the WinPmem driver, attackers can discover the location in memory for the g_CiOptions global symbol. This can be leveraged to disable signed driver enforcement on the target system - allowing attackers to load unsigned drivers.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

