Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The phar_parse_tarfile function in ext/phar/tar.c in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 does not verify that the first character of a filename is different from the \0 character, which allows remote attackers to cause a denial of service (integer underflow and memory corruption) via a crafted entry in a tar archive.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
PHP 拒绝服务漏洞
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/phar/tar.c文件中的‘phar_parse_tarfile’函数存在安全漏洞，该漏洞源于程序没有验证文件名的第一个字符是否为‘’字符。远程攻击者可借助tar归档中特制的条目利用该漏洞造成拒绝服务（整数溢出和内存损坏）。以下版本受到影响：PHP 5.4.41之前版本，5.
CVSS Information
N/A
Vulnerability Type
N/A