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[daniel CURTIS <1773561@xxxxxxxxxxxxxxxxxx>]

** Description changed:

  Hello.
  
  GIMP package ('Universe/Security' section), available in "Xenial"/16.04
  LTS Release, contains unfixed security issues and is vulnerable to, for
  example, heap-buffer over-read, out of bounds read and stack-based
  buffer over-read etc. The whole this is pretty strange, because Ubuntu
  Releases released before and after "Xenial", contains updated GIMP
  version!
  
  Anyway, it looks this way: in "Trusty" the available version is:
  '2.8.10-0ubuntu1.2' (please see [1]). "Bionic" has '2.8.20-1.1' version
  (please see [2]). Both Releases contains fixes for mentioned security
  issues: CVE-2017-* etc. However, GIMP version in "Xenial" is
  '2.8.16-1ubuntu1.1' and does not contain any security updates from 2017.
  (The last one is from Thu, 30 Jun 2016.; please see [3]).
  
  Security updates with fixes for mentioned CVE's (please compare changes
  in 1. and 2. with 3.) were released on Thu., 18 Jan 2018 - for "Trusty"
  and Tue., 26 Dec 2017 - for "Bionic". In "Xenial", the last security
  update is from Thu., 30 Jun 2016 (fix for CVE-2016-4994) and there is no
  further updates!
  
  Here is a CVE list, which are not fixed in "Xenial", but in "Trusty" and
  "Bionic" only:
  
  1/ CVE-2017-17786: Out of bounds read
  2/ CVE-2017-17789: Heap-based buffer overflow in read_channel_data
  3/ CVE-2017-17784: Heap-buffer over-read in load_image file-gbr.c
  4/ CVE-2017-17787: Heap-based buffer over-read in read_creator_block
  5/ CVE-2017-17785: Heap-based buffer overflow in fli_read_brun function
  6/ CVE-2017-17788: Stack-based buffer over-read in xcf_load_stream
  
  I wanted to send an email an email to Mr Marc Deslauriers, because he
  made the last security update for GIMP in "Xenial" (fix for
  CVE-2016-4994). But I decided to report a bug on Launchpad. I hope that
  it's an acceptable way. If not, I'm sorry.
  
+ ✗✗✗ And the most important thing: if an User had installed GIMP package
+ in "Xenial" Release, he is affected because he is using a vulnerable
+ version since one year! Security issues, mentioned above, are from 2017.
+ So, maybe it's a good opportunity to update GIMP to v2.10.2 version,
+ released on 20., May 2018? At least in non-LTS Releases. Of course I'm
+ not talking about "Cosmic" here. (Version 2.8.X is very outdated).
+ 
  By the way: similar problems with unfixed security issues, can be found
  e.g. in Audacious and Parole packages. But that's a different story,
  completely different story...
  
  Thanks, best regards.
  ______________________
  1. http://changelogs.ubuntu.com/changelogs/pool/main/g/gimp/gimp_2.8.10-0ubuntu1.2/changelog 
  2. http://changelogs.ubuntu.com/changelogs/pool/universe/g/gimp/gimp_2.8.20-2/changelog 
  3. http://changelogs.ubuntu.com/changelogs/pool/universe/g/gimp/gimp_2.8.16-1ubuntu1.1/changelog

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https://bugs.launchpad.net/bugs/1773561

Title:
  Xenial/16.04: GIMP needs a security update - unfixed issues
  (CVE-2017-*).

Status in gimp package in Ubuntu:
  Confirmed

Bug description:
  Hello.

  GIMP package ('Universe/Security' section), available in
  "Xenial"/16.04 LTS Release, contains unfixed security issues and is
  vulnerable to, for example, heap-buffer over-read, out of bounds read
  and stack-based buffer over-read etc. The whole this is pretty
  strange, because Ubuntu Releases released before and after "Xenial",
  contains updated GIMP version!

  Anyway, it looks this way: in "Trusty" the available version is:
  '2.8.10-0ubuntu1.2' (please see [1]). "Bionic" has '2.8.20-1.1'
  version (please see [2]). Both Releases contains fixes for mentioned
  security issues: CVE-2017-* etc. However, GIMP version in "Xenial" is
  '2.8.16-1ubuntu1.1' and does not contain any security updates from
  2017. (The last one is from Thu, 30 Jun 2016.; please see [3]).

  Security updates with fixes for mentioned CVE's (please compare
  changes in 1. and 2. with 3.) were released on Thu., 18 Jan 2018 - for
  "Trusty" and Tue., 26 Dec 2017 - for "Bionic". In "Xenial", the last
  security update is from Thu., 30 Jun 2016 (fix for CVE-2016-4994) and
  there is no further updates!

  Here is a CVE list, which are not fixed in "Xenial", but in "Trusty"
  and "Bionic" only:

  1/ CVE-2017-17786: Out of bounds read
  2/ CVE-2017-17789: Heap-based buffer overflow in read_channel_data
  3/ CVE-2017-17784: Heap-buffer over-read in load_image file-gbr.c
  4/ CVE-2017-17787: Heap-based buffer over-read in read_creator_block
  5/ CVE-2017-17785: Heap-based buffer overflow in fli_read_brun function
  6/ CVE-2017-17788: Stack-based buffer over-read in xcf_load_stream

  I wanted to send an email an email to Mr Marc Deslauriers, because he
  made the last security update for GIMP in "Xenial" (fix for
  CVE-2016-4994). But I decided to report a bug on Launchpad. I hope
  that it's an acceptable way. If not, I'm sorry.

  ✗✗✗ And the most important thing: if an User had installed GIMP
  package in "Xenial" Release, he is affected because he is using a
  vulnerable version since one year! Security issues, mentioned above,
  are from 2017. So, maybe it's a good opportunity to update GIMP to
  v2.10.2 version, released on 20., May 2018? At least in non-LTS
  Releases. Of course I'm not talking about "Cosmic" here. (Version
  2.8.X is very outdated).

  By the way: similar problems with unfixed security issues, can be
  found e.g. in Audacious and Parole packages. But that's a different
  story, completely different story...

  Thanks, best regards.
  ______________________
  1. http://changelogs.ubuntu.com/changelogs/pool/main/g/gimp/gimp_2.8.10-0ubuntu1.2/changelog 
  2. http://changelogs.ubuntu.com/changelogs/pool/universe/g/gimp/gimp_2.8.20-2/changelog 
  3. http://changelogs.ubuntu.com/changelogs/pool/universe/g/gimp/gimp_2.8.16-1ubuntu1.1/changelog

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