Several security issues were fixed in PHP.
It was discovered that PHP incorrectly handled cleanup when used with Apache 2.4. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-3330)
20 April 2015
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in PHP.
It was discovered that PHP incorrectly handled cleanup when used with Apache 2.4. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-3330)
It was discovered that PHP incorrectly handled opening tar, zip or phar archives through the PHAR extension. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-3329)
It was discovered that PHP incorrectly handled regular expressions. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-2305)
Paulos Yibelo discovered that PHP incorrectly handled moving files when a pathname contained a null character. A remote attacker could use this issue to possibly bypass filename restrictions. This issue only applied to Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2015-2348)
It was discovered that PHP incorrectly handled unserializing PHAR files. A remote attacker could use this issue to cause PHP to possibly expose sensitive information. (CVE-2015-2783)
Taoguang Chen discovered that PHP incorrectly handled unserializing certain 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-2015-2787)
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon