漏洞信息
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Vulnerability Title
uutils coreutils chroot Local Privilege Escalation and chroot Escape in via Name Service Switch (NSS) Injection
Vulnerability Description
A vulnerability exists in the chroot utility of uutils coreutils when using the --userspec option. The utility resolves the user specification via getpwnam() after entering the chroot but before dropping root privileges. On glibc-based systems, this can trigger the Name Service Switch (NSS) to load shared libraries (e.g., libnss_*.so.2) from the new root directory. If the NEWROOT is writable by an attacker, they can inject a malicious NSS module to execute arbitrary code as root, facilitating a full container escape or privilege escalation.
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Vulnerability Type
不可信的搜索路径
Vulnerability Title
uutils coreutils 代码问题漏洞
Vulnerability Description
uutils coreutils是Uutils开源的一个跨平台核心命令行工具集。 uutils coreutils存在代码问题漏洞，该漏洞源于chroot使用--userspec选项时在进入chroot后解析用户规范，可能导致攻击者注入恶意NSS模块以root身份执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A