CVE-2024-29069

MEDIUM4.8EPSS 0.04%

snapd failed to properly check the destination of symbolic links when extracting a snap in github.com/snapcore/snapd

發布日:2024/7/25修改日:2026/4/28

描述

In snapd versions prior to 2.62, snapd failed to properly check the destination of symbolic links when extracting a snap. The snap format is a squashfs file-system image and so can contain symbolic links and other file types. Various file entries within the snap squashfs image (such as icons and desktop files etc) are directly read by snapd when it is extracted. An attacker who could convince a user to install a malicious snap which contained symbolic links at these paths could then cause snapd to write out the contents of the symbolic link destination into a world-readable directory. This in-turn could allow an unprivileged user to gain access to privileged information.

受影響套件(3)

CVSS 分數

來源版本嚴重程度向量
osvCVSS 4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
osvCVSS 3.1MEDIUM4.8CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

參考連結(7)