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Ubuntu Security Notice USN-1348-1

Ubuntu Security Notice USN-1348-1
Posted Jan 26, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1348-1 - It was discovered that ICU did not properly handle invalid locale data during Unicode conversion. 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.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2011-4599
SHA-256 | ed1d39bd80eff20f1ebd24a942fc58795fee0111ae68d13afad8db1b3fdbc5a0

Ubuntu Security Notice USN-1348-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-1348-1
January 26, 2012

icu vulnerability
==========================================================================

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

- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS

Summary:

ICU could be made to crash or run programs as your login if it
opened specially crafted data.

Software Description:
- icu: International Components for Unicode library

Details:

It was discovered that ICU did not properly handle invalid locale data
during Unicode conversion. 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.

Update instructions:

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

Ubuntu 11.10:
libicu44 4.4.2-2ubuntu0.11.10.1

Ubuntu 11.04:
libicu44 4.4.2-2ubuntu0.11.04.1

Ubuntu 10.10:
libicu42 4.2.1-3ubuntu0.10.10.1

Ubuntu 10.04 LTS:
libicu42 4.2.1-3ubuntu0.10.04.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1348-1
CVE-2011-4599

Package Information:
https://launchpad.net/ubuntu/+source/icu/4.4.2-2ubuntu0.11.10.1
https://launchpad.net/ubuntu/+source/icu/4.4.2-2ubuntu0.11.04.1
https://launchpad.net/ubuntu/+source/icu/4.2.1-3ubuntu0.10.10.1
https://launchpad.net/ubuntu/+source/icu/4.2.1-3ubuntu0.10.04.1


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