Denial of service and arbitrary code execution vulnerabilities in PHP

Beschreibung

An improper implementation of the SplObjectStorage unserialize in ext/spl/spl_observer.c was found in PHP before 7.0.12. By exploiting this vulnerability malicious users can execute arbitrary code or cause a denial of service. This vulnerability can be exploited remotely via a specially designed serialized data.

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Technical details

Vulnerability occurs because an implementation does not verify whether a key is an object or not.

Ursprüngliche Informationshinweise

• PHP Bug Tracking System

CVE Liste

• CVE-2016-7480
  critical

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