Ubuntu Security Notice USN-2626-1
3rd June, 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 version:
- Ubuntu 15.04:
-
libqtgui4
4:4.8.6+git64-g5dc8b2b+dfsg-3~ubuntu6.1
-
libqt5gui5
5.4.1+dfsg-2ubuntu4.1
- Ubuntu 14.10:
-
libqtgui4
4:4.8.6+git49-gbc62005+dfsg-1ubuntu1.1
-
libqt5gui5
5.3.0+dfsg-2ubuntu9.1
- Ubuntu 14.04 LTS:
-
libqtgui4
4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1
-
libqt5gui5
5.2.1+dfsg-1ubuntu14.3
- Ubuntu 12.04 LTS:
-
libqtgui4
4:4.8.1-0ubuntu4.9
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart your session to make
all the necessary changes.