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authorTerry <wangtielei@icst.pku.edu.cn>2008-09-12 17:06:04 +0200
committerMax Kellermann <max@duempel.org>2008-09-12 17:06:04 +0200
commit79a14c9a10a6356fa9158e62f206c63833dcc632 (patch)
tree1b67fd9afa938c614d68ab49e8da77daaeb809f6 /src/inputStream.c
parent89c8b19a8c4a21e8ce578bd92120581f640fc2af (diff)
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mp4: fix potential integer overflow bug in the mp4_decode() function
A crafted mp4 file could cause an integer overflow in mp4_decode function in src/inputPlugins/mp4_plugin.c. mp4ff_num_samples() function returns some tainted value. sizeof(float) * numSamples is an integer overflow operation if numSamples is too huge, so xmalloc will allocate a small memory region. I constructe a mp4 file, and use faad2 to open the file. mp4ff_num_samples() returns -1. So I think mpd bears from the same problem.
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