Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the _zero_, _one_, or _two_ global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
PHP ‘bcpowmod’函数安全漏洞
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/bcmath/bcmath.c文件中的‘bcpowmod’函数存在安全漏洞，该漏洞源于程序修改数据结构体时没有考虑它们是否为_zero_、_one_和_two_ global变量的复制。远程攻击者可借助特制的调用利用该漏洞造成拒绝服务。以下版本受到影响：PHP 5.5.35之前
CVSS Information
N/A
Vulnerability Type
N/A