Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Integer overflow in the scan_cidfont function in X.Org 6.8.2 and XFree86 X server allows local users to execute arbitrary code via crafted (1) CMap and (2) CIDFont font data with modified item counts in the (a) begincodespacerange, (b) cidrange, and (c) notdefrange sections.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
X.Org LibXfont 多个整数溢出漏洞
Vulnerability Description
X.Org是X.Org基金会运作的一个对X Window系统的官方参考实现,是开源的自由软件。 X.Org和XFree86 X server在解析type1模块中的CID编码的Type1字体时缺少验证,远程攻击者可能利用此漏洞在用户机器上执行任意指令。 具体来讲,scan_cidfont()函数在处理CMap和CIDFont字体数据时存在整数溢出漏洞;CIDAFM()函数在处理AFM(Adobe Font Metrics)文件时也存在整数溢出漏洞。攻击者可以利用这些漏洞以root权限执行任意指令。
CVSS Information
N/A
Vulnerability Type
N/A