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Diffstat (limited to 'edk2/CryptoPkg/Library/BaseCryptLib/Pk/CryptAuthenticode.c')
-rw-r--r--edk2/CryptoPkg/Library/BaseCryptLib/Pk/CryptAuthenticode.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/edk2/CryptoPkg/Library/BaseCryptLib/Pk/CryptAuthenticode.c b/edk2/CryptoPkg/Library/BaseCryptLib/Pk/CryptAuthenticode.c
index a4f62b22b..bb5f6d4b0 100644
--- a/edk2/CryptoPkg/Library/BaseCryptLib/Pk/CryptAuthenticode.c
+++ b/edk2/CryptoPkg/Library/BaseCryptLib/Pk/CryptAuthenticode.c
@@ -26,6 +26,12 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <openssl/x509.h>
#include <openssl/pkcs7.h>
+//
+// OID ASN.1 Value for SPC_INDIRECT_DATA_OBJID
+//
+UINT8 mSpcIndirectOidValue[] = {
+ 0x2B, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x02, 0x01, 0x04
+ };
/**
Verifies the validility of a PE/COFF Authenticode Signature as described in "Windows
@@ -70,6 +76,7 @@ AuthenticodeVerify (
UINT8 *SpcIndirectDataContent;
UINT8 Asn1Byte;
UINTN ContentSize;
+ UINT8 *SpcIndirectDataOid;
//
// Check input parameters.
@@ -106,6 +113,19 @@ AuthenticodeVerify (
// some authenticode-specific structure. Use opaque ASN.1 string to retrieve
// PKCS#7 ContentInfo here.
//
+ SpcIndirectDataOid = (UINT8 *)(Pkcs7->d.sign->contents->type->data);
+ if (CompareMem (
+ SpcIndirectDataOid,
+ mSpcIndirectOidValue,
+ sizeof (mSpcIndirectOidValue)
+ ) != 0) {
+ //
+ // Un-matched SPC_INDIRECT_DATA_OBJID.
+ //
+ goto _Exit;
+ }
+
+
SpcIndirectDataContent = (UINT8 *)(Pkcs7->d.sign->contents->d.other->value.asn1_string->data);
//