Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Integer overflow in GD Graphics Library libgd 2.0.28 (libgd2), and possibly other versions, allows remote attackers to cause a denial of service and possibly execute arbitrary code via PNG image files with large image rows values that lead to a heap-based buffer overflow in the gdImageCreateFromPngCtx function, a different set of vulnerabilities than CVE-2004-0941.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
GD 'gd_png.c' 整数溢出漏洞
Vulnerability Description
GD是动态建立图象的图形库实现。 GD在处理装载PNG图象文件时分配内存函数存在整数溢出，远程攻击者可以利用这个漏洞可能以进程权限执行任意指令。 问题存在gd_png.c文件的gdImageCreateFromPngCtx()函数中，此函数由gdImageCreateFromPng()调用，函数用于装载图象文件到GD数据结构，问题是当对图象分配内存时，由于对输入参数缺少充分检查，可导致整数溢出，精心构建PNG图象，诱使用户访问，可能以进程权限执行任意指令。
CVSS Information
N/A
Vulnerability Type
N/A