CVE-2024-47540
CriticalSummary
W bibliotece GStreamer zidentyfikowano podatność w funkcji gst_matroska_demux_add_wvpk_header, polegającą na użyciu niezainicjowanej zmiennej stosu. Gdy rozmiar jest mniejszy niż 4, program wywołuje gst_buffer_unmap z niezainicjowaną zmienną map, co może prowadzić do przejęcia wskaźnika funkcji i potencjalnego wykonania kodu.
Risk Assessment
Podatność ta może umożliwić atakującemu przejęcie przepływu wykonania, co stwarza poważne zagrożenie dla bezpieczeństwa systemu i danych organizacji.
Recommendation
Zaleca się aktualizację biblioteki GStreamer do wersji 1.24.10, w której ta podatność została naprawiona.
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Original NVD description (English source)
GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable vulnerability has been identified in the gst_matroska_demux_add_wvpk_header function within matroska-demux.c. When size < 4, the program calls gst_buffer_unmap with an uninitialized map variable. Then, in the gst_memory_unmap function, the program will attempt to unmap the buffer using the uninitialized map variable, causing a function pointer hijack, as it will jump to mem->allocator->mem_unmap_full or mem->allocator->mem_unmap. This vulnerability could allow an attacker to hijack the execution flow, potentially leading to code execution. This vulnerability is fixed in 1.24.10.