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Reintroduce length 0 check for records

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This commit is contained in:
Hanno Becker 2019-07-26 08:20:27 +01:00
parent d0b66d08bb
commit d417cc945c
1 changed files with 3 additions and 0 deletions
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3
library/ssl_tls.c
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@ -5109,6 +5109,9 @@ static int ssl_parse_record_header( mbedtls_ssl_context const *ssl,
rec->buf = buf;
rec->buf_len = rec->data_offset + rec->data_len;
if( rec->data_len == 0 )
return( MBEDTLS_ERR_SSL_INVALID_RECORD );
/*
* DTLS-related tests.
* Check epoch before checking length constraint because