Several security issues were fixed in PHP.
Stefan Esser 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-2014-8142, CVE-2015-0231)
17 February 2015
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in PHP.
Stefan Esser 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-2014-8142, CVE-2015-0231)
Brian Carpenter discovered that the PHP CGI component incorrectly handled invalid files. A local attacker could use this issue to obtain sensitive information, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2014-9427)
It was discovered that PHP incorrectly handled certain pascal strings in the fileinfo extension. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2014-9652)
Alex Eubanks discovered that PHP incorrectly handled EXIF data in JPEG images. 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 14.04 LTS and Ubuntu 14.10. (CVE-2015-0232)
It was discovered that the PHP opcache component incorrectly handled memory. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2015-1351)
It was discovered that the PHP PostgreSQL database extension incorrectly handled certain pointers. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2015-1352)
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.
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