Ubuntu Security Notice USN-2522-1
5th March, 2015
icu vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
ICU could be made to crash or run programs as your login if it processed
specially crafted data.
Software description
- icu
– International Components for Unicode library
Details
It was discovered that ICU incorrectly handled memory operations when
processing fonts. If an application using ICU processed crafted data, an
attacker could cause it to crash or potentially execute arbitrary code with
the privileges of the user invoking the program. This issue only affected
Ubuntu 12.04 LTS. (CVE-2013-1569, CVE-2013-2383, CVE-2013-2384,
CVE-2013-2419)
It was discovered that ICU incorrectly handled memory operations when
processing fonts. If an application using ICU processed crafted data, an
attacker could cause it to crash or potentially execute arbitrary code with
the privileges of the user invoking the program. (CVE-2014-6585,
CVE-2014-6591)
It was discovered that ICU incorrectly handled memory operations when
processing regular expressions. If an application using ICU processed
crafted data, an attacker could cause it to crash or potentially execute
arbitrary code with the privileges of the user invoking the program.
(CVE-2014-7923, CVE-2014-7926, CVE-2014-9654)
It was discovered that ICU collator implementation incorrectly handled
memory operations. If an application using ICU processed crafted data, an
attacker could cause it to crash or potentially execute arbitrary code with
the privileges of the user invoking the program. (CVE-2014-7940)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 14.10:
-
libicu52
52.1-6ubuntu0.2
- Ubuntu 14.04 LTS:
-
libicu52
52.1-3ubuntu0.2
- Ubuntu 12.04 LTS:
-
libicu48
4.8.1.1-3ubuntu0.3
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.