漏洞信息
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Vulnerability Title
Local Privilege Escalation via Insecure DLL Permissions in Remote Utilities Host <=7.7.3.0
Vulnerability Description
Remote Utilities Host <=7.7.3.0 sets insecure ACLs on all DLL files in the installation directory (C:\Program Files (x86)\Remote Utilities - Host\), granting FULL CONTROL (F) to the built-in Everyone group (BUILTIN\Everyone, S-1-1-0). A Windows service running as NT AUTHORITY\SYSTEM loads DLLs from this directory. The DLLs are file-locked at runtime, but a race window exists when the service is stopped (e.g. during a software update or following a crash), during which a local unprivileged attacker can replace a DLL with a malicious payload. Upon service restart, the payload executes as NT AUTHORITY\SYSTEM. The DLL confirmed as actively loaded during testing is libasset32.dll. Additional DLLs in the same directory (eventmsg.dll, libcodec32.dll, vp8encoder.dll, vp8decoder.dll, webmvorbisdecoder.dll, webmvorbisencoder.dll, webmmux.dll) share identical insecure permissions.
CVSS Information
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
关键资源的不正确权限授予
Vulnerability Title
Remote Utilities Host 权限许可和访问控制问题漏洞
Vulnerability Description
Remote Utilities Host是Remote Utilities公司的一款远程管理主机端软件。 Remote Utilities Host 7.7.3.0及之前版本存在权限许可和访问控制问题漏洞,该漏洞源于对安装目录(C:\Program Files (x86)\Remote Utilities - Host\)中的DLL文件设置了不安全的ACL权限,授予Everyone组完全控制权限,存在竞争窗口,可能导致本地低权限攻击者替换DLL并在服务重启时以SYSTEM权限执行恶意代码。
CVSS Information
N/A
Vulnerability Type
N/A