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Merge pull request #2426 from JacobBarthelmeh/Fuzzer

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sanity check on buffer size before reading short
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toddouska
2019-08-23 10:17:31 -07:00
committed by GitHub
parent 0e6bb4717e 65aeb71d6c
commit 54fb08d6df
1 changed files with 2 additions and 0 deletions
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src/tls.c
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@ -8024,6 +8024,8 @@ static int TLSX_PreSharedKey_Parse(WOLFSSL* ssl, byte* input, word16 length,
list = (PreSharedKey*)extension->data;
/* Length of binders. */
if (idx + OPAQUE16_LEN > length)
return BUFFER_E;
ato16(input + idx, &len);
idx += OPAQUE16_LEN;
if (len < MIN_PSK_BINDERS_LEN || length - idx < len)