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Fix the length check

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This commit is contained in:
Jef Driesen 2017-01-17 23:02:17 +01:00
parent ef47084e05
commit 0429ea146e
1 changed files with 3 additions and 1 deletions
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4
src/oceanic_atom2_parser.c
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@ -704,8 +704,10 @@ oceanic_atom2_parser_samples_foreach (dc_parser_t *abstract, dc_sample_callback_
unsigned int length = samplesize; unsigned int length = samplesize;
if (sampletype == 0xBB) { if (sampletype == 0xBB) {
length = PAGESIZE; length = PAGESIZE;
if (offset + length > size - PAGESIZE) if (offset + length > size - parser->footersize) {
ERROR (abstract->context, "Buffer overflow detected!");
return DC_STATUS_DATAFORMAT; return DC_STATUS_DATAFORMAT;
}
} }
// Vendor specific data // Vendor specific data