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Ubuntu Security Notice USN-3211-1
February 23, 2017

php7.0 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 16.10
– Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
– php7.0: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled certain invalid objects when
unserializing data. A remote attacker could use this issue to cause PHP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-7479)

It was discovered that PHP incorrectly handled certain invalid objects when
unserializing data. A remote attacker could use this issue to cause PHP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-9137)

It was discovered that PHP incorrectly handled unserializing certain
wddxPacket XML documents. A remote attacker could use this issue to cause
PHP to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2016-9935)

It was discovered that PHP incorrectly handled certain invalid objects when
unserializing data. A remote attacker could use this issue to cause PHP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-9936)

It was discovered that PHP incorrectly handled certain EXIF data. A remote
attacker could use this issue to cause PHP to crash, resulting in a denial
of service. (CVE-2016-10158)

It was discovered that PHP incorrectly handled certain PHAR archives. A
remote attacker could use this issue to cause PHP to crash or consume
resources, resulting in a denial of service. (CVE-2016-10159)

It was discovered that PHP incorrectly handled certain PHAR archives. A
remote attacker could use this issue to cause PHP to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2016-10160)

It was discovered that PHP incorrectly handled certain invalid objects when
unserializing data. A remote attacker could use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2016-10161)

It was discovered that PHP incorrectly handled unserializing certain
wddxPacket XML documents. A remote attacker could use this issue to cause
PHP to crash, resulting in a denial of service. (CVE-2016-10162)

It was discovered that PHP incorrectly handled certain invalid objects when
unserializing data. A remote attacker could use this issue to cause PHP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2017-5340)

Update instructions:

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

Ubuntu 16.10:
libapache2-mod-php7.0 7.0.15-0ubuntu0.16.10.2
php7.0-cgi 7.0.15-0ubuntu0.16.10.2
php7.0-cli 7.0.15-0ubuntu0.16.10.2
php7.0-fpm 7.0.15-0ubuntu0.16.10.2

Ubuntu 16.04 LTS:
libapache2-mod-php7.0 7.0.15-0ubuntu0.16.04.2
php7.0-cgi 7.0.15-0ubuntu0.16.04.2
php7.0-cli 7.0.15-0ubuntu0.16.04.2
php7.0-fpm 7.0.15-0ubuntu0.16.04.2

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
http://www.ubuntu.com/usn/usn-3211-1
CVE-2016-10158, CVE-2016-10159, CVE-2016-10160, CVE-2016-10161,
CVE-2016-10162, CVE-2016-7479, CVE-2016-9137, CVE-2016-9935,
CVE-2016-9936, CVE-2017-5340

Package Information:
https://launchpad.net/ubuntu/+source/php7.0/7.0.15-0ubuntu0.16.10.2
https://launchpad.net/ubuntu/+source/php7.0/7.0.15-0ubuntu0.16.04.2

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