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add sanity check for short read

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Jacob Barthelmeh
2018-03-02 09:38:11 -07:00
parent f6869dfe09
commit 223903717a
1 changed files with 4 additions and 0 deletions
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4
src/tls.c
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@@ -2618,6 +2618,10 @@ static int TLSX_CSR2_Parse(WOLFSSL* ssl, byte* input, word16 length,
word16 size = 0; word16 size = 0;
/* list size */ /* list size */
if (offset + OPAQUE16_LEN >= length) {
return BUFFER_E;
}
ato16(input + offset, &request_length); ato16(input + offset, &request_length);
offset += OPAQUE16_LEN; offset += OPAQUE16_LEN;