Vulnerability Information
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Vulnerability Title
OpenWrt procd PATH Environment Variable Filter Bypass via Incorrect String Comparison Leads to Privilege Escalation
Vulnerability Description
OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6, a vulnerability in the hotplug_call function allows an attacker to bypass environment variable filtering and inject an arbitrary PATH variable, potentially leading to privilege escalation. The function is intended to filter out sensitive environment variables like PATH when executing hotplug scripts in /etc/hotplug.d, but a bug using strcmp instead of strncmp causes the filter to compare the full environment string (e.g., PATH=/some/value) against the literal "PATH", so the match always fails. As a result, the PATH variable is never excluded, enabling an attacker to control which binaries are executed by procd-invoked scripts running with elevated privileges. This issue has been fixed in version 24.10.6.
CVSS Information
N/A
Vulnerability Type
部分比较
Vulnerability Title
OpenWrt 安全漏洞
Vulnerability Description
OpenWrt是OpenWrt开源的一套针对嵌入式设备的Linux操作系统。 OpenWrt 24.10.6之前版本存在安全漏洞，该漏洞源于hotplug_call函数存在环境变量过滤绕过，可能导致权限提升。
CVSS Information
N/A
Vulnerability Type
N/A