CVE-2018-25110
Marked allows Regular Expression Denial of Service (ReDoS) attacks
7.5
HIGH
CVSS 3.1
EPSS 0.49%
描述
Marked prior to version 0.3.17 is vulnerable to a Regular Expression Denial of Service (ReDoS) attack due to catastrophic backtracking in several regular expressions used for parsing HTML tags and markdown links. An attacker can exploit this vulnerability by providing specially crafted markdown input, such as deeply nested or repetitively structured brackets or tag attributes, which cause the parser to hang and lead to a Denial of Service.
如何修補 CVE-2018-25110
要修補 CVE-2018-25110,請將受影響套件升級到下列已修補版本。
- —升級至 0.5.1+dfsg-1 或更新版本
- —升級至 0.3.17 或更新版本
CVE-2018-25110 正在被利用嗎?
低 — EPSS 為 0.5%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 0.5.1+dfsg-1
- from 0, < 0.3.17
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |