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Merge pull request #873 from hanno-arm/ssl_write_client_hello

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Bounds checks in ssl_write_client_hello
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Manuel Pégourié-Gonnard
2020-06-15 10:57:51 +02:00
committed by GitHub
parent 5b66d44f5a b7b35e125b
commit a92e3def48
9 changed files with 681 additions and 389 deletions
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4
library/ssl_tls.c
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@ -4665,7 +4665,9 @@ int mbedtls_ssl_conf_alpn_protocols( mbedtls_ssl_config *conf, const char **prot
cur_len = strlen( *p );
tot_len += cur_len;
if( cur_len == 0 || cur_len > 255 || tot_len > 65535 )
if( ( cur_len == 0 ) ||
( cur_len > MBEDTLS_SSL_MAX_ALPN_NAME_LEN ) ||
( tot_len > MBEDTLS_SSL_MAX_ALPN_LIST_LEN ) )
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
}