Intrusion Prevention

PHP.Core.unserialize.Function.Integer.Overflow

Description

This indicates an attack attempt to exploit a remote Code Execution vulnerability in PHP.
The vulnerability is due to an integer overflow error in the application when handling the unserialize() function. A remote attacker may be able exploit this to execute arbitrary code within the context of the application or possibly cause a denial of service condition via crafted packets.

Affected Products

PHP Group PHP prior to 5.4.34
PHP Group PHP prior to 5.5.18
PHP Group PHP prior to 5.6.2

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.
Denial of Service: Remote attackers can crash vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
http://php.net/ChangeLog-5.php#5.6.2

CVE References

CVE-2014-3669