The size of mHiiEfiColors is 16.
mHiiEfiColors[Private->Attribute >> 4] may be out of boundary.
So add a check for that.
Cc: Dandan Bi <dandan...@intel.com>
Cc: Eric Dong <eric.d...@intel.com>
Signed-off-by: Shenglei Zhang <shenglei.zh...@intel.com>
---
MdeModulePkg/Universal/HiiDatabaseDxe/Font.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
b/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
index ca63df168c94..282a7a114d17 100644
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/Font.c
@@ -999,7 +999,12 @@ GetSystemFont (
}
Info->ForegroundColor = mHiiEfiColors[Private->Attribute & 0x0f];
- Info->BackgroundColor = mHiiEfiColors[Private->Attribute >> 4];
+ if ((Private->Attribute >> 4) < 16){
+ Info->BackgroundColor = mHiiEfiColors[Private->Attribute >> 4];
+ } else {
+ return EFI_INVALID_PARAMETER;
+ }
+
Info->FontInfoMask = EFI_FONT_INFO_SYS_FONT | EFI_FONT_INFO_SYS_SIZE |
EFI_FONT_INFO_SYS_STYLE;
Info->FontInfo.FontStyle = 0;
Info->FontInfo.FontSize = EFI_GLYPH_HEIGHT;
--
2.18.0.windows.1
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