MdePkg UefiDevicePathLib: Fix possible memory read/write cross boundary

The SSID field of a Wi-Fi device path node may not contain a NULL
termination.

Additonal handle is added to make sure no cross-boundary memory read/write
will occur.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18355 6f19259b-4bc3-4df7-8a09-765794883524
2 files changed