Laszlo Ersek 44eb974081 NetworkPkg/TlsDxe: verify DataSize for EfiTlsCipherList
TlsSetSessionData() shouldn't just ignore an incomplete EFI_TLS_CIPHER
element at the end of "Data":

- Generally speaking, malformed input for a security API is best rejected
  explicitly.

- Specifically speaking, the size of EFI_TLS_CIPHER is 2 bytes. If
  DataSize is 1 on input, then the initial check for (DataSize == 0) will
  fail, but then TlsSetCipherList() will be called with CipherNum=0.

Return EFI_INVALID_PARAMETER from TlsSetSessionData() if "Data" doesn't
contain a whole number of EFI_TLS_CIPHER elements. While at it, introduce
the dedicated variable CipherCount.

Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=915
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Long Qin <qin.long@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
2018-04-13 14:06:09 +02:00

EDK II Project

A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org.

Contributions to the EDK II open source project are covered by the TianoCore Contribution Agreement 1.1

The majority of the content in the EDK II open source project uses a BSD 2-Clause License. The EDK II open source project contains the following components that are covered by additional licenses:

The EDK II Project is composed of packages. The maintainers for each package are listed in Maintainers.txt.

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Acidanthera UEFI Development Kit based on EDK II edk2-stable202405
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