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add sanity check on serial size

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This commit is contained in:
Jacob Barthelmeh
2021-03-25 22:59:14 +07:00
parent 9ea60db80a
commit b4c0301f57
1 changed files with 5 additions and 3 deletions
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8
src/ssl.c
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@ -41269,9 +41269,11 @@ void* wolfSSL_GetDhAgreeCtx(WOLFSSL* ssl)
WOLFSSL_MSG("Serial size error");
return WOLFSSL_FAILURE;
}
if ((int)sizeof(cert->serial) < serialSz) {
WOLFSSL_MSG("Serial buffer too small");
return BUFFER_E;
if (serialSz > EXTERNAL_SERIAL_SIZE ||
serialSz > CTC_SERIAL_SIZE) {
WOLFSSL_MSG("Serial size too large error");
return WOLFSSL_FAILURE;
}
XMEMCPY(cert->serial, serial, serialSz);
cert->serialSz = serialSz;