CryptoPkg/BaseCryptLib: Fix serial number read overrun

Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
2024-10-23 18:44:05 -07:00 · 2024-10-23 18:44:05 -07:00 · d5600f4f5a
parent 12e1b1f8ef
commit d5600f4f5a
1 changed files with 1 additions and 1 deletions
--- 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;
  }