Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The vfprintf function in stdio-common/vfprintf.c in libc in GNU C Library (aka glibc) 2.14 and other versions does not properly calculate a buffer length, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (segmentation fault and crash) via a format string with a large number of format specifiers that triggers "desynchronization within the buffer size handling," a different vulnerability than CVE-2012-3404.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
GNU glibc 格式化打印功能数字错误漏洞
Vulnerability Description
GNU C Library（又名glibc，libc6）是一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU C Library 2.14版本中的stdio-common/vfprintf.c文件中的‘vfprintf’函数中存在安全漏洞，该漏洞源于程序没有正确地计算缓冲区长度。攻击者可借助带有大量格式说明符的格式字符串利用该漏洞绕过FORTIFY_SOURCE格式字符串保护机制，造成拒绝服务（段错误和崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A