CryptoPkg/BaseCryptLib: Fix serial number read overrun

Signed-off-by: Michael D Kinney <[email protected]>
tianocore · Nov 8, 2024 · d5600f4 · d5600f4
1 parent 12e1b1f
commit d5600f4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
@@ -1056,7 +1056,7 @@ X509GetSerialNumber (
   }
 
   if (SerialNumber != NULL) {
-    CopyMem (SerialNumber, Asn1Integer->data, *SerialNumberSize);
+    CopyMem (SerialNumber, Asn1Integer->data, (UINTN)Asn1Integer->length);
     Status = TRUE;
   }