KLA10515 Multiple vulnerabilities in PHP and extensions

Multiple serious vulnerabilities have been found in PHP and extensions. Malicious users can exploit these vulnerabilities to cause denial of service or inject code.

Below is a complete list of vulnerabilities

1. Multiple integer overflows can be exploited remotely via a specially designed year value;
2. Lack of tokens validation can be exploited remotely via a specially designed name;
3. Improper tmp drectory addres containing can be exploited locally via a file manipulations.

Original advisories

Related products

PHP

CVE list

CVE-2015-2331 critical

CVE-2015-0231 critical

CVE-2015-2305 high

Solution

These vulnerabilities aren’t mitigated by vendor. You can protect yourself with disabling some functionality.

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• CI

Code injection. Exploitation of vulnerabilities with this impact can lead to changes in target code.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

• PHP versions 5.6.7 and possibly earlierPHP extensions calendar and pgsql