Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.37, 5.5.x before 5.5.21, and 5.6.x before 5.6.5 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages improper handling of duplicate numerical keys within the serialized properties of an object. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8142.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
PHP 释放后重用漏洞
Vulnerability Description
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHP Group和开放源代码社区共同维护的一种开源的通用计算机脚本语言。该语言主要用于Web开发，支持多种数据库及操作系统。 PHP的ext/standard/var_unserializer.re文件中的‘process_nested_data’函数存在释放后重用漏洞。远程攻击者可借助特制的反序列化的调用利用该漏洞执行任意代码。以下版本受到影响：PHP 5.4.37之前版本，5.5.21之前5.5.x版本，5.6.
CVSS Information
N/A
Vulnerability Type
N/A