USN-2740-1: ICU vulnerabilities

Ubuntu Security Notice USN-2740-1

16th September, 2015

icu vulnerabilities

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

  • Ubuntu 15.04
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

Several security issues were fixed in ICU.

Software description

  • icu - International Components for Unicode library

Details

Atte Kettunen discovered that ICU incorrectly handled certain converter
names. If an application using ICU processed crafted data, a remote
attacker could possibly cause it to crash. (CVE-2015-1270)

It was discovered that ICU incorrectly handled certain memory operations
when processing data. If an application using ICU processed crafted data,
a remote attacker could possibly cause it to crash or potentially execute
arbitrary code with the privileges of the user invoking the program.
(CVE-2015-2632, CVE-2015-4760)

Update instructions

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

Ubuntu 15.04:
libicu52 52.1-8ubuntu0.2
Ubuntu 14.04 LTS:
libicu52 52.1-3ubuntu0.4
Ubuntu 12.04 LTS:
libicu48 4.8.1.1-3ubuntu0.6

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.

References

CVE-2015-1270, CVE-2015-2632, CVE-2015-4760