USN-3196-1: PHP vulnerabilities

Ubuntu Security Notice USN-3196-1

14th February, 2017

php5 vulnerabilities

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

  • 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

It was discovered that PHP incorrectly handled certain arguments to the
locale_get_display_name function. A remote attacker could use this issue to
cause PHP to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2014-9912)

It was discovered that PHP incorrectly handled certain invalid objects when
unserializing data. A remote attacker could use this issue to cause PHP to
hang, resulting in a denial of service. (CVE-2016-7478)

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. This issue only applied to Ubuntu 14.04 LTS. (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. (CVE-2016-9934)

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 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)

Update instructions

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

Ubuntu 14.04 LTS:
php5-cli 5.5.9+dfsg-1ubuntu4.21
php5-cgi 5.5.9+dfsg-1ubuntu4.21
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.21
php5-fpm 5.5.9+dfsg-1ubuntu4.21
Ubuntu 12.04 LTS:
php5-cli 5.3.10-1ubuntu3.26
php5-cgi 5.3.10-1ubuntu3.26
libapache2-mod-php5 5.3.10-1ubuntu3.26
php5-fpm 5.3.10-1ubuntu3.26

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-2014-9912, CVE-2016-10158, CVE-2016-10159, CVE-2016-10160, CVE-2016-10161, CVE-2016-7478, CVE-2016-7479, CVE-2016-9137, CVE-2016-9934, CVE-2016-9935