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Sync: Add more buffer size checks to CryptParameterDecryption

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Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger 2025-08-07 17:42:46 -04:00
parent 9d2ab05d82
commit 767972759d
1 changed files with 4 additions and 1 deletions
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5
src/tpm2/CryptUtil.c
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@ -68,6 +68,8 @@
#include "Tpm.h"
#include "Marshal.h"
#include "tpm_library_intern.h" // libtpms added
//****************************************************************************/
//** Hash/HMAC Functions
//****************************************************************************/
@ -1052,7 +1054,8 @@ CryptParameterDecryption(
return TPM_RC_INSUFFICIENT;
}
if(cipherSize > bufferSize)
if(cipherSize > MAX_COMMAND_SIZE || bufferSize <= 0
|| (UINT32)cipherSize > (UINT32)bufferSize)
{
return TPM_RC_SIZE;
}