From: Zhang, Chao B <chao.b.zhang@intel.com>
Date: Thu, 31 Mar 2016 01:40:28 +0000 (+0800)
Subject: SecurityPkg: Tcg2Dxe: Fix undersized TempBuf
X-Git-Tag: edk2-stable201903~7463
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=9381e149ad72d3f3e942b7734ebff70533dc7699

SecurityPkg: Tcg2Dxe: Fix undersized TempBuf

TempBuf in SetupEventLog needs to include sizeof(UINT32) to hold NumberOfAlgorithms.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Thomas Palmer <thomas.palmer@hpe.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: El-Haj-Mahmoud Samer <samer.el-haj-mahmoud@hpe.com>
---

diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
index b1c885e407..07f76af90f 100644
--- a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
+++ b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
@@ -1482,7 +1482,7 @@ SetupEventLog (
   UINT32                          DigestListBinSize;
   UINT32                          EventSize;
   TCG_EfiSpecIDEventStruct        *TcgEfiSpecIdEventStruct;
-  UINT8                           TempBuf[sizeof(TCG_EfiSpecIDEventStruct) + (HASH_COUNT * sizeof(TCG_EfiSpecIdEventAlgorithmSize)) + sizeof(UINT8)];
+  UINT8                           TempBuf[sizeof(TCG_EfiSpecIDEventStruct) + sizeof(UINT32) + (HASH_COUNT * sizeof(TCG_EfiSpecIdEventAlgorithmSize)) + sizeof(UINT8)];
   TCG_PCR_EVENT_HDR               FirstPcrEvent;
   TCG_EfiSpecIdEventAlgorithmSize *DigestSize;
   TCG_EfiSpecIdEventAlgorithmSize *TempDigestSize;