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RootSSV:20381HistoryMar 18, 2011 - 12:00 a.m.
PHP "substr_replace()"释放后重用远程内存破坏漏洞
2011-03-1800:00:00
Root
www.seebug.org
45
EPSS
0.016
Percentile
87.4%
BUGTRAQ ID: 46843
CVE ID: CVE-2011-1148
PHP是广泛使用的通用目的脚本语言，特别适合于Web开发，可嵌入到HTML中。
PHP的"substr_replace()"函数在实现上存在释放后重用远程内存破坏漏洞，远程攻击者可利用此漏洞在网络服务器中执行任意代码，造成拒绝服务。
此漏洞源于在将同一个变量多次发送到"substr_replace()"函数时，PHP会使该函数中的三个变量使用同一个指针，所以当函数中的类型转换更改了该指针，该指针也会使其他变量无效。
PHP PHP 5.3.x
PHP PHP 5.2.x
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PHP
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