USN-3095-1: PHP vulnerabilities

4 October 2016

php5, php7.0 vulnerabilities

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

  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

Several security issues were fixed in PHP.

Software Description

  • php7.0 - HTML-embedded scripting language interpreter
  • php5 - HTML-embedded scripting language interpreter

Details

Taoguang Chen 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-2016-7124)

Taoguang Chen discovered that PHP incorrectly handled invalid session names. A remote attacker could use this issue to inject arbitrary session data. (CVE-2016-7125)

It was discovered that PHP incorrectly handled certain gamma values in the imagegammacorrect 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-2016-7127)

It was discovered that PHP incorrectly handled certain crafted TIFF image thumbnails. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly expose sensitive information. (CVE-2016-7128)

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-2016-7129, CVE-2016-7130, CVE-2016-7131, CVE-2016-7132, CVE-2016-7413)

It was discovered that PHP incorrectly handled certain memory operations. 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 16.04 LTS. (CVE-2016-7133)

It was discovered that PHP incorrectly handled long strings in curl_escape calls. 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 16.04 LTS. (CVE-2016-7134)

Taoguang Chen discovered that PHP incorrectly handled certain failures 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 affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-7411)

It was discovered that PHP incorrectly handled certain flags in the MySQL driver. Malicious remote MySQL servers could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7412)

It was discovered that PHP incorrectly handled ZIP file signature verification when processing a PHAR archive. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7414)

It was discovered that PHP incorrectly handled certain locale operations. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7416)

It was discovered that PHP incorrectly handled SplArray unserializing. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7417)

Ke Liu discovered that PHP incorrectly handled unserializing wddxPacket XML documents with incorrect boolean elements. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7418)

Update instructions

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

Ubuntu 16.04 LTS
libapache2-mod-php7.0 - 7.0.8-0ubuntu0.16.04.3
php7.0-cgi - 7.0.8-0ubuntu0.16.04.3
php7.0-cli - 7.0.8-0ubuntu0.16.04.3
php7.0-curl - 7.0.8-0ubuntu0.16.04.3
php7.0-fpm - 7.0.8-0ubuntu0.16.04.3
php7.0-gd - 7.0.8-0ubuntu0.16.04.3
php7.0-mysql - 7.0.8-0ubuntu0.16.04.3
Ubuntu 14.04 LTS
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.20
php5-cgi - 5.5.9+dfsg-1ubuntu4.20
php5-cli - 5.5.9+dfsg-1ubuntu4.20
php5-curl - 5.5.9+dfsg-1ubuntu4.20
php5-fpm - 5.5.9+dfsg-1ubuntu4.20
php5-gd - 5.5.9+dfsg-1ubuntu4.20
php5-mysqlnd - 5.5.9+dfsg-1ubuntu4.20
Ubuntu 12.04 LTS
libapache2-mod-php5 - 5.3.10-1ubuntu3.25
php5-cgi - 5.3.10-1ubuntu3.25
php5-cli - 5.3.10-1ubuntu3.25
php5-curl - 5.3.10-1ubuntu3.25
php5-fpm - 5.3.10-1ubuntu3.25
php5-gd - 5.3.10-1ubuntu3.25
php5-mysqlnd - 5.3.10-1ubuntu3.25

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