USN-2658-1: PHP vulnerabilities

6 July 2015

php5 vulnerabilities

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

  • Ubuntu 15.04
  • Ubuntu 14.10
  • 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

Neal Poole and Tomas Hoger discovered that PHP incorrectly handled NULL bytes in file paths. A remote attacker could possibly use this issue to bypass intended restrictions and create or obtain access to sensitive files. (CVE-2015-3411, CVE-2015-3412, CVE-2015-4025, CVE-2015-4026, CVE-2015-4598)

Emmanuel Law discovered that the PHP phar extension incorrectly handled filenames starting with a NULL byte. A remote attacker could use this issue with a crafted tar archive to cause a denial of service. (CVE-2015-4021)

Max Spelsberg discovered that PHP incorrectly handled the LIST command when connecting to remote FTP servers. A malicious FTP server could possibly use this issue to execute arbitrary code. (CVE-2015-4022, CVE-2015-4643)

Shusheng Liu discovered that PHP incorrectly handled certain malformed form data. A remote attacker could use this issue with crafted form data to cause CPU consumption, leading to a denial of service. (CVE-2015-4024)

Andrea Palazzo discovered that the PHP Soap client incorrectly validated data types. A remote attacker could use this issue with crafted serialized data to possibly execute arbitrary code. (CVE-2015-4147)

Andrea Palazzo discovered that the PHP Soap client incorrectly validated that the uri property is a string. A remote attacker could use this issue with crafted serialized data to possibly obtain sensitive information. (CVE-2015-4148)

Taoguang Chen discovered that PHP incorrectly validated data types in multiple locations. A remote attacker could possibly use these issues to obtain sensitive information or cause a denial of service. (CVE-2015-4599, CVE-2015-4600, CVE-2015-4601, CVE-2015-4602, CVE-2015-4603)

It was discovered that the PHP Fileinfo component incorrectly handled certain files. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service. This issue only affected Ubuntu 15.04. (CVE-2015-4604, CVE-2015-4605)

It was discovered that PHP incorrectly handled table names in php_pgsql_meta_data. A local attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2015-4644)

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-4ubuntu6.2
php5-cgi - 5.6.4+dfsg-4ubuntu6.2
php5-cli - 5.6.4+dfsg-4ubuntu6.2
php5-fpm - 5.6.4+dfsg-4ubuntu6.2
Ubuntu 14.10
libapache2-mod-php5 - 5.5.12+dfsg-2ubuntu4.6
php5-cgi - 5.5.12+dfsg-2ubuntu4.6
php5-cli - 5.5.12+dfsg-2ubuntu4.6
php5-fpm - 5.5.12+dfsg-2ubuntu4.6
Ubuntu 14.04 LTS
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.11
php5-cgi - 5.5.9+dfsg-1ubuntu4.11
php5-cli - 5.5.9+dfsg-1ubuntu4.11
php5-fpm - 5.5.9+dfsg-1ubuntu4.11
Ubuntu 12.04 LTS
libapache2-mod-php5 - 5.3.10-1ubuntu3.19
php5-cgi - 5.3.10-1ubuntu3.19
php5-cli - 5.3.10-1ubuntu3.19
php5-fpm - 5.3.10-1ubuntu3.19

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