commit 4ed7376a5dec59995e1294780ecdc2b29f0815a1
author Janos Follath <janos.follath@arm.com> Mon Feb 08 13:59:25 2016 +0000
committer Simon Butcher <simon.butcher@arm.com> Tue Mar 01 22:27:14 2016 +0000
tree 95453291baff4ddee6d1dca80c07f260216abb5e
parent a91d85e331098429a9c159c8dcaedbefbe0504ea

Length check added

library/rsa.c

diff --git a/library/rsa.c b/library/rsa.c
index 0cb0e7d..aa7e272 100644
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -844,6 +844,9 @@
         bad |= *p++; /* Must be zero */
     }
 
+    if( pad_count < 8 )
+        return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
+
     if( bad )
         return( POLARSSL_ERR_RSA_INVALID_PADDING );