php5 vulnerabilities

Related Vulnerabilities: CVE-2015-5589   CVE-2015-5590   CVE-2015-6831   CVE-2015-6834   CVE-2015-6835   CVE-2015-6832   CVE-2015-6833   CVE-2015-6836   CVE-2015-6837   CVE-2015-6838  

Several security issues were fixed in PHP.

It was discovered that the PHP phar extension incorrectly handled certain files. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2015-5589)

30 September 2015

php5 vulnerabilities

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

  • Ubuntu 15.04
  • 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 the PHP phar extension incorrectly handled certain files. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2015-5589)

It was discovered that the PHP phar extension incorrectly handled certain filepaths. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-5590)

Taoguang Chen discovered that PHP incorrectly handled unserializing objects. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-6831, CVE-2015-6834, CVE-2015-6835

Sean Heelan discovered that PHP incorrectly handled unserializing objects. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-6832)

It was discovered that the PHP phar extension incorrectly handled certain archives. A remote attacker could use this issue to cause files to be placed outside of the destination directory. (CVE-2015-6833)

Andrea Palazzo discovered that the PHP Soap client incorrectly validated data types. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-6836)

It was discovered that the PHP XSLTProcessor class incorrectly handled certain data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2015-6837)

Update instructions

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

Ubuntu 15.04
libapache2-mod-php5 - 5.6.4+dfsg-4ubuntu6.3
php5-cgi - 5.6.4+dfsg-4ubuntu6.3
php5-cli - 5.6.4+dfsg-4ubuntu6.3
php5-fpm - 5.6.4+dfsg-4ubuntu6.3
Ubuntu 14.04 LTS
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.13
php5-cgi - 5.5.9+dfsg-1ubuntu4.13
php5-cli - 5.5.9+dfsg-1ubuntu4.13
php5-fpm - 5.5.9+dfsg-1ubuntu4.13
Ubuntu 12.04 LTS
libapache2-mod-php5 - 5.3.10-1ubuntu3.20
php5-cgi - 5.3.10-1ubuntu3.20
php5-cli - 5.3.10-1ubuntu3.20
php5-fpm - 5.3.10-1ubuntu3.20

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