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Fix CVE-2018-17097 by rounding working buffer size up to nearest 4-byte boundary. Replaced also tab characters with spaces in indentation.

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Olli 2018-10-28 15:51:15 +02:00
parent 59129fa33d
commit 09e04252dd
1 changed files with 6 additions and 5 deletions
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source/SoundStretch/WavFile.cpp
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@ -924,7 +924,8 @@ void WavOutFile::write(const float *buffer, int numElems)
bytesPerSample = header.format.bits_per_sample / 8; bytesPerSample = header.format.bits_per_sample / 8;
numBytes = numElems * bytesPerSample; numBytes = numElems * bytesPerSample;
short *temp = (short*)getConvBuffer(numBytes); int confBufBytes = (numBytes + 3) & -4; // round up to nearest multiple of four to avoid overflow with 24bit-value assignment
void *temp = getConvBuffer(confBufBytes);
switch (bytesPerSample) switch (bytesPerSample)
{ {