USN-3211-2: PHP regression

Ubuntu Security Notice USN-3211-2

2nd March, 2017

php7.0 regression

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

  • Ubuntu 16.10
  • Ubuntu 16.04 LTS

Summary

USN-3211-1 introduced a regression in PHP.

Software description

  • php7.0
    – HTML-embedded scripting language interpreter

Details

USN-3211-1 fixed vulnerabilities in PHP by updating to the new 7.0.15
upstream release. PHP 7.0.15 introduced a regression when using MySQL with
large blobs. This update fixes the problem with a backported fix.

Original advisory 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 version:

Ubuntu 16.10:
php7.0-fpm

7.0.15-0ubuntu0.16.10.4
libapache2-mod-php7.0

7.0.15-0ubuntu0.16.10.4
php7.0-cli

7.0.15-0ubuntu0.16.10.4
php7.0-cgi

7.0.15-0ubuntu0.16.10.4
Ubuntu 16.04 LTS:
php7.0-fpm

7.0.15-0ubuntu0.16.04.4
libapache2-mod-php7.0

7.0.15-0ubuntu0.16.04.4
php7.0-cli

7.0.15-0ubuntu0.16.04.4
php7.0-cgi

7.0.15-0ubuntu0.16.04.4

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

LP: 1668017


Source From: ubuntu.com.
Original article title: USN-3211-2: PHP regression.
This full article can be read at: USN-3211-2: PHP regression.

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