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- Fixed potential memory zeroization on miscrafted RSA key

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This commit is contained in:
Paul Bakker 2012-07-05 13:58:08 +00:00
parent 5552c8c0b3
commit 3c16db9a10
2 changed files with 3 additions and 1 deletions
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2
ChangeLog
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@ -51,6 +51,8 @@ Security
Frama-C team at CEA LIST) Frama-C team at CEA LIST)
* Fixed generation of DHM parameters to correct length (found by Ruslan * Fixed generation of DHM parameters to correct length (found by Ruslan
Yushchenko) Yushchenko)
* Fixed potential memory zeroization on miscrafted RSA key (found by Eloi
Vanderbeken)
= Version 1.1.3 released on 2012-04-29 = Version 1.1.3 released on 2012-04-29
Bugfix Bugfix

2
library/rsa.c
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@ -679,7 +679,7 @@ int rsa_pkcs1_sign( rsa_context *ctx,
return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
} }
if( nb_pad < 8 ) if( ( nb_pad < 8 ) || ( nb_pad > olen ) )
return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); return( POLARSSL_ERR_RSA_BAD_INPUT_DATA );
*p++ = 0; *p++ = 0;