CVE-2024-45746
CriticalSummary
W Trusted Firmware-M do wersji 2.1.0 odkryto problem związany z niezweryfikowanymi wskaźnikami list argumentów w wiadomościach skrzynki pocztowej. W wyniku tego atakujący może zapisać dane w dowolnym miejscu w zabezpieczonym oprogramowaniu, co prowadzi do możliwości zdalnego wykonania kodu (RCE).
Risk Assessment
Organizacja jest narażona na ataki, które mogą prowadzić do przejęcia kontroli nad systemem oraz wykonania złośliwego kodu w zabezpieczonym środowisku. To stwarza poważne zagrożenie dla integralności i poufności danych.
Recommendation
Zaleca się aktualizację Trusted Firmware-M do najnowszej wersji, aby usunąć tę podatność oraz wdrożenie dodatkowych mechanizmów weryfikacji wskaźników w wiadomościach skrzynki pocztowej.
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Original NVD description (English source)
An issue was discovered in Trusted Firmware-M through 2.1.0. User provided (and controlled) mailbox messages contain a pointer to a list of input arguments (in_vec) and output arguments (out_vec). These list pointers are never validated. Each argument list contains a buffer pointer and a buffer length field. After a PSA call, the length of the output arguments behind the unchecked pointer is updated in mailbox_direct_reply, regardless of the call result. This allows an attacker to write anywhere in the secure firmware, which can be used to take over the control flow, leading to remote code execution (RCE).

