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Ubuntu Security Notice USN-2501-1
February 17, 2015

php5 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 14.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
– php5: HTML-embedded scripting language interpreter

Details:

Stefan Esser discovered that PHP incorrectly handled unserializing objects.
A remote attacker could use this issue to cause PHP to crash, resulting in
a denial of service, or possibly execute arbitrary code. (CVE-2014-8142,
CVE-2015-0231)

Brian Carpenter discovered that the PHP CGI component incorrectly handled
invalid files. A local attacker could use this issue to obtain sensitive
information, or possibly execute arbitrary code. This issue only affected
Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2014-9427)

It was discovered that PHP incorrectly handled certain pascal strings in
the fileinfo extension. A remote attacker could possibly use this issue to
cause PHP to crash, resulting in a denial of service. This issue only
affected Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2014-9652)

Alex Eubanks discovered that PHP incorrectly handled EXIF data in JPEG
images. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2015-0232)

It was discovered that the PHP opcache component incorrectly handled
memory. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10.
(CVE-2015-1351)

It was discovered that the PHP PostgreSQL database extension incorrectly
handled certain pointers. A remote attacker could possibly use this issue
to cause PHP to crash, resulting in a denial of service, or possibly
execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and
Ubuntu 14.10. (CVE-2015-1352)

Update instructions:

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

Ubuntu 14.10:
libapache2-mod-php5 5.5.12+dfsg-2ubuntu4.2
php5-cgi 5.5.12+dfsg-2ubuntu4.2
php5-cli 5.5.12+dfsg-2ubuntu4.2
php5-fpm 5.5.12+dfsg-2ubuntu4.2
php5-pgsql 5.5.12+dfsg-2ubuntu4.2

Ubuntu 14.04 LTS:
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.6
php5-cgi 5.5.9+dfsg-1ubuntu4.6
php5-cli 5.5.9+dfsg-1ubuntu4.6
php5-fpm 5.5.9+dfsg-1ubuntu4.6
php5-pgsql 5.5.9+dfsg-1ubuntu4.6

Ubuntu 12.04 LTS:
libapache2-mod-php5 5.3.10-1ubuntu3.16
php5-cgi 5.3.10-1ubuntu3.16
php5-cli 5.3.10-1ubuntu3.16
php5-fpm 5.3.10-1ubuntu3.16
php5-pgsql 5.3.10-1ubuntu3.16

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

References:
http://www.ubuntu.com/usn/usn-2501-1
CVE-2014-8142, CVE-2014-9427, CVE-2014-9652, CVE-2015-0231,
CVE-2015-0232, CVE-2015-1351, CVE-2015-1352

Package Information:
https://launchpad.net/ubuntu/+source/php5/5.5.12+dfsg-2ubuntu4.2
https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.6
https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.16

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