yuzu-emu/mbedtls
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Add bounds check before length read

Browse source
This commit is contained in:
Krzysztof Stachowiak 2018-03-13 11:31:14 +01:00
parent 469b882947
commit 740b218386
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
library/ssl_cli.c
View file

@ -2057,6 +2057,12 @@ static int ssl_parse_server_psk_hint( mbedtls_ssl_context *ssl,
*
* opaque psk_identity_hint<0..2^16-1>;
*/
if( (*p) > end - 2 )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message "
"(psk_identity_hint length)" ) );
return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
}
len = (*p)[0] << 8 | (*p)[1];
*p += 2;