[Bug 987022] Re: Signature of Acer utility corrupting grub2

[Launchpad Bug Tracker]

This bug was fixed in the package grub2 - 2.02~beta2-5

---------------
grub2 (2.02~beta2-5) experimental; urgency=medium


  * Add a number of EFI debugging commands to the signed image (lsefi,
    lsefimmap, lsefisystab, lssal).
  * Add gfxterm_background to the signed image so that background_image
    works in UEFI Secure Boot mode.  Thanks to syscon-hh for the report.

 -- Colin Watson <cjwatson at debian.org>  Mon, 27 Jan 2014 10:03:00 +0000

** Changed in: grub2 (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/987022

Title:
  Signature of Acer utility corrupting grub2

Status in “grub2” package in Ubuntu:
  Fix Released

Bug description:
  I don't know if you are still interested in signatures of Windows
  utilities corrupting grub2, but in case you are, I have attached two
  hexdumps I made last year when I had this problem with Ubuntu 10.10
  and an Acer registration utility.  Sorry they are not dd dumps, but
  it's the same information you requested and I think it is fairly clear
  what happened (an entire block was overwritten at sector 18 / offset
  0x2400).  Searching for the signature with Google, I also found these
  URLs, which report the exact same contents at the same offset:

    http://www.siteduzero.com/forum-83-584790-p1-acer-7741g.html
    
    http://forum.acronis.com/sites/default/files/forum/2010/04/9913/report.txt
    
    http://forum.ubuntu-fr.org/viewtopic.php?id=436731

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