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sanity check on buffer size before copy

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Jacob Barthelmeh
2019-05-06 15:36:58 -06:00
parent 683646e452
commit b1442633dd
1 changed files with 5 additions and 0 deletions
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5
src/tls13.c
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@@ -3896,6 +3896,11 @@ int DoTls13ClientHello(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
if (sessIdSz != ID_LEN && sessIdSz != 0)
return INVALID_PARAMETER;
#endif
if (sessIdSz + i > helloSz) {
return BUFFER_ERROR;
}
ssl->session.sessionIDSz = sessIdSz;
if (sessIdSz == ID_LEN) {
XMEMCPY(ssl->session.sessionID, input + i, sessIdSz);