漏洞信息
# Rufus Fido脚本TOCTOU提权漏洞
N/A
神龙判断
是否为 Web 类漏洞： 未知
判断理由：
N/A
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漏洞标题
Rufus has Local Privilege Escalation via TOCTOU Race Condition in Fido Script Handling
漏洞描述信息
Rufus is a utility that helps format and create bootable USB flash drives. Versions 4.11 and below contain a race condition (TOCTOU) in src/net.c during the creation, validation, and execution of the Fido PowerShell script. Since Rufus runs with elevated privileges (Administrator) but writes the script to the %TEMP% directory (writeable by standard users) without locking the file, a local attacker can replace the legitimate script with a malicious one between the file write operation and the execution step. This allows arbitrary code execution with Administrator privileges. This issue has been fixed in version 4.12_BETA.
CVSS信息
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
漏洞类别
检查时间与使用时间(TOCTOU)的竞争条件