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Merge pull request #2381 from SparkiDev/tls13_sv

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Check suite size length is valid as well as space for compression
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toddouska 2019-07-30 16:04:00 -07:00 committed by GitHub
commit c400c38588
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1 changed files with 2 additions and 0 deletions
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src/tls13.c
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@ -3880,6 +3880,8 @@ static int DoTls13SupportedVersions(WOLFSSL* ssl, const byte* input, word32 i,
return BUFFER_ERROR; return BUFFER_ERROR;
ato16(input + i, &suiteSz); ato16(input + i, &suiteSz);
i += OPAQUE16_LEN; i += OPAQUE16_LEN;
if (i + suiteSz + 1 > helloSz)
return BUFFER_ERROR;
i += suiteSz; i += suiteSz;
/* Compression */ /* Compression */
b = input[i++]; b = input[i++];