CVE-2021-30465
Mount destinations can be swapped via symlink-exchange to cause mounts outside the rootfs in github.com/opencontainers/runc
7.6
HIGH
CVSS 3.1
EPSS 6.6%
描述
runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.
如何修補 CVE-2021-30465
要修補 CVE-2021-30465,請將受影響套件升級到下列已修補版本。
- —升級至 1.0.0-rc95 或更新版本
CVE-2021-30465 正在被利用嗎?
中等 — EPSS 為 6.6%,可持續追蹤但非最高優先。
受影響套件(1)
- from 0, < 1.0.0-rc95
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.6 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N |