CVE-2024-47537
CriticalSummary
GStreamer, biblioteka do tworzenia grafów komponentów obsługi mediów, ma podatność związaną z ponownym przydzielaniem pamięci. Problem polega na tym, że wartość samples_count jest odczytywana z pliku wejściowego, co może prowadzić do przepełnienia całkowitego i w konsekwencji do przydzielenia zbyt małej ilości pamięci.
Risk Assessment
W wyniku tej podatności może dojść do zapisu poza przydzieloną pamięcią, co stwarza ryzyko awarii programu oraz potencjalnego wykorzystania przez atakującego. Organizacje powinny być świadome możliwości wystąpienia błędów w działaniu aplikacji korzystających z GStreamer.
Recommendation
Zaleca się aktualizację GStreamer do wersji 1.24.10, w której ta podatność została naprawiona. Dodatkowo, warto przeprowadzić audyt aplikacji korzystających z tej biblioteki w celu identyfikacji potencjalnych zagrożeń.
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Original NVD description (English source)
GStreamer is a library for constructing graphs of media-handling components. The program attempts to reallocate the memory pointed to by stream->samples to accommodate stream->n_samples + samples_count elements of type QtDemuxSample. The problem is that samples_count is read from the input file. And if this value is big enough, this can lead to an integer overflow during the addition. As a consequence, g_try_renew might allocate memory for a significantly smaller number of elements than intended. Following this, the program iterates through samples_count elements and attempts to write samples_count number of elements, potentially exceeding the actual allocated memory size and causing an OOB-write. This vulnerability is fixed in 1.24.10.