漏洞信息
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Vulnerability Title
Flatpak: flatpak: toctou race condition allows symlink redirection
Vulnerability Description
A flaw was found in Flatpak. A Time-of-check to time-of-use (TOCTOU) race condition exists in the `org.freedesktop.Flatpak.SystemHelper` component. This vulnerability occurs because a privileged `chmod` operation executes before the OSTree repository validation within the `Deploy()` function. An attacker can exploit this timing window to redirect symlinks to arbitrary files, potentially leading to unauthorized file manipulation or information disclosure.
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Vulnerability Title
Flatpak 竞争条件问题漏洞
Vulnerability Description
Flatpak是Flatpak组织开源的一个用于在Linux上构建、分发和运行沙盒桌面应用程序的系统。 Flatpak存在竞争条件问题漏洞,该漏洞源于org.freedesktop.Flatpak.SystemHelper组件中的检查时间到使用时间(TOCTOU)竞争条件,由于Deploy()函数中特权chmod操作在OSTree存储库验证之前执行,攻击者可利用该时间窗口将符号链接重定向到任意文件,可能导致未授权文件操作或信息泄露。
CVSS Information
N/A
Vulnerability Type
N/A