[Bug 1630700] Re: [CVE] KMail - HTML injection in plain text viewer

[Simon Quigley]

** Changed in: kcoreaddons (Ubuntu Precise)
 Assignee: Simon Quigley (tsimonq2) => (unassigned)

** Changed in: kcoreaddons (Ubuntu Xenial)
 Assignee: Simon Quigley (tsimonq2) => (unassigned)

** Changed in: kdepimlibs (Ubuntu Trusty)
 Assignee: Simon Quigley (tsimonq2) => (unassigned)

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Title:
  [CVE] KMail - HTML injection in plain text viewer

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[Bug 1630700] Re: [CVE] KMail - HTML injection in plain text viewer

[Launchpad Bug Tracker]

This bug was fixed in the package kdepimlibs - 4:4.13.3-0ubuntu0.4

---
kdepimlibs (4:4.13.3-0ubuntu0.4) trusty-security; urgency=high

  * SECURITY UPDATE: KMail: HTML injection in plain text viewer (LP: #1630700)
- CVE-2016-7966
- The security vulnerability was not completely fixed in the last update.
  This upload applies one additional commit from upstream to completely
  fix it.
- Split CVE-2016-7966.diff into CVE-2016-7966_1.patch and
  CVE-2016-7966_2.patch and add DEP-3 meta-information to make it clear
  that to fix the CVE, two patches are needed.

 -- Simon Quigley   Thu, 10 Aug 2017 17:52:29 -0500

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[Bug 1630700] Re: [CVE] KMail - HTML injection in plain text viewer

[Launchpad Bug Tracker]

This bug was fixed in the package kcoreaddons - 5.18.0-0ubuntu1.1

---
kcoreaddons (5.18.0-0ubuntu1.1) xenial-security; urgency=high

  * SECURITY UPDATE: KMail - HTML injection in plain text viewer
(LP: #1630700)
- CVE-2016-7966
- CVE-2016-7966_1.patch - 1be727 from upstream
- CVE-2016-7966_2.patch - 96e562 from upstream
- CVE-2016-7966_3.patch - a06cef from upstream
- CVE-2016-7966_4.patch - 5e13d2 from upstream

 -- Simon Quigley   Fri, 11 Aug 2017 23:36:27 -0500

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

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

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  [CVE] KMail - HTML injection in plain text viewer

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[Bug 1630700] Re: [CVE] KMail - HTML injection in plain text viewer

[Simon Quigley]

Here is a follow-up patch for kdepimlibs in Trusty applicable to
4.13.3-0ubuntu0.3 that addresses some general feedback I have received
on other bug reports. This shouldn't need any new testing because this
is technically the same as the last debdiff.

** Patch added: "2-4.13.3-0ubuntu0.4.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/kdepimlibs/+bug/1630700/+attachment/4931060/+files/2-4.13.3-0ubuntu0.4.debdiff

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  [CVE] KMail - HTML injection in plain text viewer

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[Bug 1630700] Re: [CVE] KMail - HTML injection in plain text viewer

[Simon Quigley]

Here's a debdiff for kcoreaddons in Xenial applicable to
5.18.0-0ubuntu1. I tested it and it works fine.

** Patch added: "1-5.18.0-0ubuntu1.1.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/kdepimlibs/+bug/1630700/+attachment/4931056/+files/1-5.18.0-0ubuntu1.1.debdiff

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  [CVE] KMail - HTML injection in plain text viewer

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[Bug 1630700] Re: [CVE] KMail - HTML injection in plain text viewer

[Simon Quigley]

Attached is a debdiff for kdepimlibs in Trusty applicable to
4.13.3-0ubuntu0.3. I tested this on a fresh Kubuntu 14.04 LTS install
and it works fine.

** Patch added: "1-4.13.3-0ubuntu0.4.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/kdepimlibs/+bug/1630700/+attachment/4930441/+files/1-4.13.3-0ubuntu0.4.debdiff

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  [CVE] KMail - HTML injection in plain text viewer

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[Bug 1630700] Re: [CVE] KMail - HTML injection in plain text viewer

[Simon Quigley]

** Summary changed:

- CVE - KMail - HTML injection in plain text viewer
+ [CVE] KMail - HTML injection in plain text viewer

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Simon Quigley]

As shown in the bug description edit, this bug is not 100% fixed yet.
I'm working on fixes.

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  CVE - KMail - HTML injection in plain text viewer

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Simon Quigley]

** Also affects: kdepimlibs (Ubuntu)
   Importance: Undecided
   Status: New

** No longer affects: kdepimlibs (Ubuntu Precise)

** Changed in: kdepimlibs (Ubuntu Trusty)
   Status: New => In Progress

** Changed in: kdepimlibs (Ubuntu Trusty)
 Assignee: (unassigned) => Simon Quigley (tsimonq2)

** Changed in: kdepimlibs (Ubuntu)
   Status: New => Fix Released

** No longer affects: kdepimlibs (Ubuntu Xenial)

** No longer affects: kdepimlibs (Ubuntu Yakkety)

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Title:
  CVE - KMail - HTML injection in plain text viewer

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Simon Quigley]

** Changed in: kcoreaddons (Ubuntu Xenial)
 Assignee: (unassigned) => Simon Quigley (tsimonq2)

** Changed in: kcoreaddons (Ubuntu Xenial)
   Status: Confirmed => In Progress

** Description changed:

  KDE Project Security Advisory
  =
  
- Title: KMail: HTML injection
- Risk Rating:  Important
- CVE:  #TODO
+ Title:  KMail: HTML injection in plain text viewer
+ Risk Rating:Important
+ CVE:CVE-2016-7966
  Platforms:  All
  Versions:   kmail >= 4.4.0
- Author: #TODO
- Date:#TODO
+ Author: Andre Heinecke 
+ Date:   6 October 2016
  
  Overview
  
  
  Through a malicious URL that contained a quote character it
  was possible to inject HTML code in KMail's plain text viewer.
  Due to the parser used on the URL it was not possible to include
  the equal sign (=) or a space into the injected HTML, which greatly
  reduces the available HTML functionality. Although it is possible
  to include an HTML comment indicator to hide content.
  
  Impact
  ==
  
  An unauthenticated attacker can send out mails with malicious content
  that breaks KMail's plain text HTML escape logic. Due to the limitations
  of the provided HTML in itself it might not be serious. But as a way
  to break out of KMail's restricted Plain text mode this might open
  the way to the exploitation of other vulnerabilities in the HTML viewer
  code, which is disabled by default.
  
  Workaround
  ==
  
  None.
  
  Solution
  
  
  For KDE Frameworks based releases of KMail apply the following patch to
  kcoreaddons:
+ 
https://quickgit.kde.org/?p=kcoreaddons.git=commitdiff=96e562d9138c100498da38e4c5b4091a226dde12
  
- https://quickgit.kde.org/?
- p=kcoreaddons.git=commitdiff=96e562d9138c100498da38e4c5b4091a226dde12
- 
- For KDE 4 apply the following patch:
- https://quickgit.kde.org/?
- p=kdepimlibs.git=commitdiff=176fee25ca79145ab5c8e2275d248f1a46a8d8cf
+ For kdelibs4 based releases apply the following patch:
+ 
https://quickgit.kde.org/?p=kdepimlibs.git=commitdiff=176fee25ca79145ab5c8e2275d248f1a46a8d8cf
  
  Credits
  ===
  
  Thanks to Roland Tapken for reporting this issue, Andre Heinecke from
  Intevation GmbH for analysing the problems and Laurent Montel for
  fixing this issue.
+ 
+ 
+ Updated Information (1 November 2016)
+ =
+ 
+ The above mentioned patches are not enough to fix the vulnerability 
completely.
+ This wasn't visible, because the patches for CVE-2016-7967 and CVE-2016-7968 
made sure,
+ that this vulnerability can't harm anymore. 
+ It only became visible, that this vulnerability isn't closed completely for 
systems,
+ that are only affected by this CVE.
+ 
+ For KCoreAddons you need:
+  
https://quickgit.kde.org/?p=kcoreaddons.git=commitdiff=96e562d9138c100498da38e4c5b4091a226dde12
+ for applying this patch you may also need to cherry-pick:
+  
https://quickgit.kde.org/?p=kcoreaddons.git=commitdiff=1be7272373d60e4234f1a5584e676b579302b053
+ (these two are released in KCoreAddons KDE Frameworks 5.27.0)
+ 
+ additionally git commits, to close completely:
+  
https://quickgit.kde.org/?p=kcoreaddons.git=commitdiff=5e13d2439dbf540fdc840f0b0ab5b3ebf6642c6a
+ not needed in the strong sense, but this will give you the additional 
automatic tests, to test if this CVE is closed:
+  
https://quickgit.kde.org/?p=kcoreaddons.git=commitdiff=a06cef31cc4c908bc9b76bd9d103fe9c60e0953f
 
+ (will be part of KCoreAddons KDE Frameworks 5.28.0)
+ 
+ For kdepimlibs 4.14:
+  
https://quickgit.kde.org/?p=kdepimlibs.git=commitdiff=176fee25ca79145ab5c8e2275d248f1a46a8d8cf
+  
https://quickgit.kde.org/?p=kdepimlibs.git=commitdiff=8bbe1bd3fdc55f609340edc667ff154b3d2aaab1
+ kdepimlibs is at end of life, so no further release is planned.

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  CVE - KMail - HTML injection in plain text viewer

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Marc Deslauriers]

Unsubscribing ubuntu-security-sponsors for now since there is nothing to
sponsor. Once a debdiff is attached, please re-subscribe the group.
Thanks!

** Changed in: kcoreaddons (Ubuntu Trusty)
   Status: New => Fix Released

** Changed in: kcoreaddons (Ubuntu Precise)
   Status: In Progress => Invalid

** Changed in: kcoreaddons (Ubuntu Trusty)
   Status: Fix Released => Invalid

** Changed in: kcoreaddons (Ubuntu Xenial)
   Status: New => Confirmed

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Clive Johnston]

** Changed in: kcoreaddons (Ubuntu Xenial)
   Importance: Undecided => High

** Changed in: kcoreaddons (Ubuntu Trusty)
   Importance: Undecided => High

** Changed in: kcoreaddons (Ubuntu Precise)
   Importance: Undecided => High

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Launchpad Bug Tracker]

This bug was fixed in the package kcoreaddons - 5.26.0-0ubuntu2

---
kcoreaddons (5.26.0-0ubuntu2) yakkety; urgency=medium

  * SECURITY UPDATE: KMail - HTML injection in plain text viewer
(LP: #1630700)
- debian/patches/0001-Fix-very-old-bug-when-we-remove-space-in-
  url-as-foo-.patch: Code added by upstream to fix another bug,
  but needs to be applied in advance of patch 0002
- debian/patches/0002-Don-t-convert-as-url-an-url-which-has-a.patch:
  Fixes CVE-2016-7966
Patches cherrypicked from Debian:
https://anonscm.debian.org/git/pkg-kde/frameworks/kcoreaddons.git
Commit: ab7258dd8a87668ba63c585a69f41f291254aa43
Many thanks to Sandro Knauß for these patches

 -- Clive Johnston   Fri, 07 Oct 2016 23:57:19
+0100

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

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Simon Quigley]

** Changed in: kcoreaddons (Ubuntu Precise)
   Status: New => In Progress

** Changed in: kcoreaddons (Ubuntu Precise)
 Assignee: (unassigned) => Simon Quigley (tsimonq2)

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Ubuntu Foundations Team Bug Bot]

The attachment "precise.debdiff" seems to be a debdiff.  The ubuntu-
sponsors team has been subscribed to the bug report so that they can
review and hopefully sponsor the debdiff.  If the attachment isn't a
patch, please remove the "patch" flag from the attachment, remove the
"patch" tag, and if you are member of the ~ubuntu-sponsors, unsubscribe
the team.

[This is an automated message performed by a Launchpad user owned by
~brian-murray, for any issue please contact him.]

** Tags added: patch

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Clive Johnston]

** Also affects: kcoreaddons (Ubuntu Yakkety)
   Importance: High
 Assignee: Simon Quigley (tsimonq2)
   Status: In Progress

** Also affects: kcoreaddons (Ubuntu Xenial)
   Importance: Undecided
   Status: New

** Changed in: kcoreaddons (Ubuntu Yakkety)
 Assignee: Simon Quigley (tsimonq2) => Clive Johnston (clivejo)

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Scott Kitterman]

** Also affects: kcoreaddons (Ubuntu Precise)
   Importance: Undecided
   Status: New

** Also affects: kcoreaddons (Ubuntu Trusty)
   Importance: Undecided
   Status: New

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Scott Kitterman]

[18:18:58]  infinity: Kubuntu would like to get a security fix in 
before release:   
https://anonscm.debian.org/git/pkg-kde/frameworks/kcoreaddons.git/commit/?id=ab7258dd8a87668ba63c585a69f41f291254aa43
  
[18:19:26]  ScottK: Security fixes welcome.
[18:19:39]  K. Thanks.

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[Bug 1630700] Re: CVE - KMail - HTML injection in plain text viewer

[Clive Johnston]

Debian patch - https://anonscm.debian.org/git/pkg-
kde/frameworks/kcoreaddons.git/commit/?id=ab7258dd8a87668ba63c585a69f41f291254aa43

** Information type changed from Private Security to Public Security

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