[ubuntu/groovy-security] edk2 2020.05-5ubuntu0.2 (Accepted)

[Marc Deslauriers]

edk2 (2020.05-5ubuntu0.2) groovy-security; urgency=medium

  * SECURITY UPDATE: unlimited FV recursion
    - debian/patches/CVE-2021-28210-1.patch: assert SectionInstance
      invariant in FindChildNode() in
      MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c.
    - debian/patches/CVE-2021-28210-2.patch: limit FwVol encapsulation
      section recursion in MdeModulePkg/Core/Dxe/DxeMain.inf,
      MdeModulePkg/Core/Dxe/SectionExtraction/CoreSectionExtraction.c,
      MdeModulePkg/MdeModulePkg.dec, MdeModulePkg/MdeModulePkg.uni.
    - CVE-2021-28210
  * SECURITY UPDATE: possible heap corruption in LzmaUefiDecompressGetInfo
    - debian/patches/CVE-2021-28211.patch: catch 4GB+ uncompressed
      buffer sizes in
      MdeModulePkg/Library/LzmaCustomDecompressLib/LzmaDecompress.c,
      MdeModulePkg/Library/LzmaCustomDecompressLib/LzmaDecompressLibInternal.h.
    - CVE-2021-28211

Date: 2021-04-12 13:22:17.505093+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/edk2/2020.05-5ubuntu0.2
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