漏洞信息
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Vulnerability Title
NovumOS has Arbitrary Memory Mapping via Syscall 15 (MemoryMapRange)
Vulnerability Description
NovumOS is a custom 32-bit operating system written in Zig and x86 Assembly. In versions prior to 0.24, Syscall 15 (MemoryMapRange) allows Ring 3 user-mode processes to map arbitrary virtual address ranges into their address space without validating against forbidden regions, including critical kernel structures such as the IDT, GDT, TSS, and page tables. A local attacker can exploit this to modify kernel interrupt handlers, resulting in privilege escalation from user mode to kernel context. This issue has been fixed in version 0.24.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Vulnerability Type
特权管理不恰当
Vulnerability Title
NovumOS 安全漏洞
Vulnerability Description
NovumOS是MinecAnton209个人开发者的一个32位保护模式操作系统。 NovumOS 0.24之前版本存在安全漏洞，该漏洞源于系统调用15允许Ring 3用户模式进程映射任意虚拟地址范围到其地址空间，且未验证禁止区域，可能导致本地攻击者修改内核中断处理程序，进而实现权限提升。
CVSS Information
N/A
Vulnerability Type
N/A