Fwd: [USN-2626-1] Qt vulnerabilities

[Florian Bruhin]

Hi,

I'm actually amazed Ubuntu managed to take so long to backport those
packages... IIRC, Debian, Arch (and maybe others) had already applied
them for a while.

The first issue is from April 2014... Gah. (Though that one seems to
apply to Qt 4 only)

So if you're on Ubuntu, please update (or, you know, don't use
Ubuntu).

Florian

----- Forwarded message from Marc Deslauriers <marc.deslauriers at canonical.com> -----

==========================================================================
Ubuntu Security Notice USN-2626-1
June 03, 2015

qt4-x11, qtbase-opensource-src vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.04
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Qt could be made to crash or run programs as your login if it opened a
specially crafted file.

Software Description:
- qt4-x11: Qt 4 libraries
- qtbase-opensource-src: Qt 5 libraries

Details:

Wolfgang Schenk discovered that Qt incorrectly handled certain malformed
GIF images. If a user or automated system were tricked into opening a
specially crafted GIF image, a remote attacker could use this issue to
cause Qt to crash, resulting in a denial of service. This issue only
applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-0190)

Fabian Vogt discovered that Qt incorrectly handled certain malformed BMP
images. If a user or automated system were tricked into opening a specially
crafted BMP image, a remote attacker could use this issue to cause Qt to
crash, resulting in a denial of service. (CVE-2015-0295)

Richard Moore and Fabian Vogt discovered that Qt incorrectly handled
certain malformed BMP images. If a user or automated system were tricked
into opening a specially crafted BMP image, a remote attacker could use
this issue to cause Qt to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2015-1858)

Richard Moore and Fabian Vogt discovered that Qt incorrectly handled
certain malformed ICO images. If a user or automated system were tricked
into opening a specially crafted ICO image, a remote attacker could use
this issue to cause Qt to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2015-1859)

Richard Moore and Fabian Vogt discovered that Qt incorrectly handled
certain malformed GIF images. If a user or automated system were tricked
into opening a specially crafted GIF image, a remote attacker could use
this issue to cause Qt to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2015-1860)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 15.04:
  libqt5gui5                      5.4.1+dfsg-2ubuntu4.1
  libqtgui4                       4:4.8.6+git64-g5dc8b2b+dfsg-3~ubuntu6.1

Ubuntu 14.10:
  libqt5gui5                      5.3.0+dfsg-2ubuntu9.1
  libqtgui4                       4:4.8.6+git49-gbc62005+dfsg-1ubuntu1.1

Ubuntu 14.04 LTS:
  libqt5gui5                      5.2.1+dfsg-1ubuntu14.3
  libqtgui4                       4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1

Ubuntu 12.04 LTS:
  libqtgui4                       4:4.8.1-0ubuntu4.9

After a standard system update you need to restart your session to make
all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2626-1
  CVE-2014-0190, CVE-2015-0295, CVE-2015-1858, CVE-2015-1859,
  CVE-2015-1860

Package Information:

https://launchpad.net/ubuntu/+source/qt4-x11/4:4.8.6+git64-g5dc8b2b+dfsg-3~ubuntu6.1
  https://launchpad.net/ubuntu/+source/qtbase-opensource-src/5.4.1+dfsg-2ubuntu4.1

https://launchpad.net/ubuntu/+source/qt4-x11/4:4.8.6+git49-gbc62005+dfsg-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/qtbase-opensource-src/5.3.0+dfsg-2ubuntu9.1

https://launchpad.net/ubuntu/+source/qt4-x11/4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1
  https://launchpad.net/ubuntu/+source/qtbase-opensource-src/5.2.1+dfsg-1ubuntu14.3
  https://launchpad.net/ubuntu/+source/qt4-x11/4:4.8.1-0ubuntu4.9





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