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Ubuntu Security Notice USN-2211-1
May 14, 2014
libxfont vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 LTS
– Ubuntu 13.10
– Ubuntu 12.10
– Ubuntu 12.04 LTS
– Ubuntu 10.04 LTS
Summary:
Several security issues were fixed in libXfont.
Software Description:
– libxfont: X11 font rasterisation library
Details:
Ilja van Sprundel discovered that libXfont incorrectly handled font
metadata file parsing. A local attacker could use this issue to cause
libXfont to crash, or possibly execute arbitrary code in order to gain
privileges. (CVE-2014-0209)
Ilja van Sprundel discovered that libXfont incorrectly handled X Font
Server replies. A malicious font server could return specially-crafted data
that could cause libXfont to crash, or possibly execute arbitrary code.
This issue only affected Ubuntu 10.04 LTS, Ubuntu 12.04 LTS, Ubuntu 12.10
and Ubuntu 13.10. (CVE-2014-0210, CVE-2014-0211)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS:
libxfont1 1:1.4.7-1ubuntu0.1
Ubuntu 13.10:
libxfont1 1:1.4.6-1ubuntu0.2
Ubuntu 12.10:
libxfont1 1:1.4.5-2ubuntu0.12.10.2
Ubuntu 12.04 LTS:
libxfont1 1:1.4.4-1ubuntu0.2
Ubuntu 10.04 LTS:
libxfont1 1:1.4.1-1ubuntu0.3
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2211-1
CVE-2014-0209, CVE-2014-0210, CVE-2014-0211
Package Information:
https://launchpad.net/ubuntu/+source/libxfont/1:1.4.7-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libxfont/1:1.4.6-1ubuntu0.2
https://launchpad.net/ubuntu/+source/libxfont/1:1.4.5-2ubuntu0.12.10.2
https://launchpad.net/ubuntu/+source/libxfont/1:1.4.4-1ubuntu0.2
https://launchpad.net/ubuntu/+source/libxfont/1:1.4.1-1ubuntu0.3
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