This commit will resolve the issue brought by r17736.
Str = AllocateCopyPool (MaxLen * sizeof (CHAR16), Str1);
The above using of AllocateCopyPool() will read contents out of the scope
of Str1. Potential risk for Str1 allocated at the boundary of memory
region.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a...@intel.com>
Reviewed-by: Qiu Shumin <shumin....@intel.com>
Reviewed-by: Jeff Fan <jeff....@intel.com>
---
IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootOption.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootOption.c
b/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootOption.c
index 1519315..56bcfab 100644
--- a/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootOption.c
+++ b/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootOption.c
@@ -1096,12 +1096,13 @@ BOpt_AppendFileName (
Size1 = StrSize (Str1);
Size2 = StrSize (Str2);
MaxLen = (Size1 + Size2 + sizeof (CHAR16)) / sizeof (CHAR16);
- Str = AllocateCopyPool (MaxLen * sizeof (CHAR16), Str1);
+ Str = AllocateZeroPool (MaxLen * sizeof (CHAR16));
ASSERT (Str != NULL);
TmpStr = AllocateZeroPool (MaxLen * sizeof (CHAR16));
ASSERT (TmpStr != NULL);
+ StrCatS (Str, MaxLen, Str1);
if (!((*Str == '\\') && (*(Str + 1) == 0))) {
StrCatS (Str, MaxLen, L"\\");
}
--
1.9.5.msysgit.0
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