USN-3211-1: PHP vulnerabilities

Ubuntu Security Notice USN-3211-1

23rd February, 2017

php7.0 vulnerabilities

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. ()

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. ()

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. ()

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. ()

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. ()

Update instructions

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

Ubuntu 16.10:

Ubuntu 16.04 LTS:

To update your system, please follow these instructions:
,

,

,

,

,

CVE-2017-5340