Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Integer overflow in the envwrite function in the Alcatel-Lucent Bell Labs Plan 9 kernel allows local users to overwrite certain memory addresses with kernel memory via a large n argument, as demonstrated by (1) modifying the iseve function to gain privileges and (2) making the devpermcheck function grant unrestricted device permissions.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Alcatel-Lucent Bell Labs Plan 9 kernel envwrite函数 整数溢出漏洞
Vulnerability Description
Alcatel-Lucent Bell Labs Plan 9 kernel的envwrite函数中存在整数溢出漏洞。本地用户可以借助一个大的n参数，重写特定的内存地址。比如(1)修改iseve函数来获得特权和(2)使devpermcheck函数获得不受限制的设备许可。
CVSS Information
N/A
Vulnerability Type
N/A