CVE-2021-3781
ghostscript - security update
9.9
CRITICAL
CVSS 3.1
EPSS 83.9%
描述
A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting a specially crafted pipe command. This flaw allows a specially crafted document to execute arbitrary commands on the system in the context of the ghostscript interpreter. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
如何修補 CVE-2021-3781
要修補 CVE-2021-3781,請將受影響套件升級到下列已修補版本。
- —升級至 9.53.3-r1 或更新版本
- —升級至 9.53.3~dfsg-7+deb11u1 或更新版本
- —升級至 9.53.3~dfsg-7+deb11u1 或更新版本
CVE-2021-3781 正在被利用嗎?
可能 — EPSS 為 83.9%,屬於高被利用機率區間,建議優先修補。
受影響套件(3)
- from 0, < 9.53.3-r1
- from 0, < 9.53.3~dfsg-7+deb11u1
- from 0, < 9.53.3~dfsg-7+deb11u1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |