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Ubuntu 12.04 LTS USN-2522-3 Critical: ICU Code Execution Risks

ubuntu
Calendar Grey March 10, 2015
Dist Ubuntu Esm H88
Tackling the significant vulnerabilities in ICU on Ubuntu that could lead to service failures or allow the execution of malicious commands with user-level permissions.
ICU could be made to crash or run programs as your login if it processed specially crafted data.

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:

USN-2522-1 fixed vulnerabilities in ICU. On Ubuntu 12.04 LTS, the font

patches caused a regression when using LibreOffice Calc. The patches have

now been updated to fix the regression.

We apologize for the inconvenience.

Original advisory 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 cou...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory critical code execution Ubuntu memory issue ICU

Update Instructions

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

Ubuntu 12.04 LTS:
  libicu48                        4.8.1.1-3ubuntu0.5

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

References

https://ubuntu.com/security/notices/USN-2522-1

CVE-2013-1569, CVE-2013-2383, CVE-2013-2384, CVE-2013-2419,

CVE-2014-6585, CVE-2014-6591

Severity
critical
Lowest
Low
Medium
High
Critical

March 10, 2015

Topics%20covered

Topics Covered

security advisory critical code execution Ubuntu memory issue ICU

Package Information

https://launchpad.net/ubuntu/+source/icu/4.8.1.1-3ubuntu0.5

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