CVE-2017-12621
Improper Restriction of XML External Entity Reference in Jelly
9.8
CRITICAL
CVSS 3.1
EPSS 0.75%
描述
During Jelly (xml) file parsing with Apache Xerces, if a custom doctype entity is declared with a "SYSTEM" entity with a URL and that entity is used in the body of the Jelly file, during parser instantiation the parser will attempt to connect to said URL. This could lead to XML External Entity (XXE) attacks in Apache Commons Jelly before 1.0.1.
如何修補 CVE-2017-12621
要修補 CVE-2017-12621,請將受影響套件升級到下列已修補版本。
- —升級至 1.0.1 或更新版本
CVE-2017-12621 正在被利用嗎?
低 — EPSS 為 0.8%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 1.0.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |