Ubuntu 12.04 LTS / 14.04 LTS / 14.10 : icu vulnerabilities (USN-2522-1)

Ubuntu Security Notice (C) 2015-2016 Canonical, Inc. / NASL script (C) 2015-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

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).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected libicu48 and / or libicu52 packages.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

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