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swf: right input length for decompression

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pull/6261/head
Philippe Antoine 4 years ago committed by Victor Julien
parent 6f03ee2e47
commit 4d2f9cc8a0
1 changed files with 3 additions and 5 deletions
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8
src/util-file-decompression.c
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@ -97,12 +97,10 @@ int FileSwfDecompression(const uint8_t *buffer, uint32_t buffer_len,
} }
uint32_t compressed_data_len = 0; uint32_t compressed_data_len = 0;
if (buffer_len > offset && compress_depth == 0) { if (compress_depth > 0 && compress_depth <= buffer_len) {
compressed_data_len = buffer_len - offset;
} else if (compress_depth > 0 && compress_depth <= buffer_len) {
compressed_data_len = compress_depth; compressed_data_len = compress_depth;
} else if (compress_depth > 0 && compress_depth > buffer_len) { } else {
compressed_data_len = buffer_len; compressed_data_len = buffer_len - offset;
} }
/* get swf version */ /* get swf version */

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