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tls13: Add missing buffer overread check

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Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2022-06-10 14:43:55 +02:00
parent b94854f8e3
commit 2827106199
1 changed files with 1 additions and 0 deletions
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1
library/ssl_tls13_client.c
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@ -667,6 +667,7 @@ static int ssl_tls13_is_supported_versions_ext_present(
* - cipher_suite 2 bytes * - cipher_suite 2 bytes
* - legacy_compression_method 1 byte * - legacy_compression_method 1 byte
*/ */
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, legacy_session_id_echo_len + 4 );
p += legacy_session_id_echo_len + 4; p += legacy_session_id_echo_len + 4;
/* Case of no extension */ /* Case of no extension */