CVE-2020-26256
Denial of service in fast-csv
描述
### Impact Possible ReDoS (Regular Expression Denial of Service) when using `ignoreEmpty` option when parsing. ### Patches This has been patched in `v4.3.6` ### Workarounds You will only be affected by this if you use the `ignoreEmpty` parsing option. If you do use this option it is recommended that you upgrade to the latest version `v4.3.6` ### References This vulnerability was found using a [CodeQL](https://securitylab.github.com/tools/codeql) query which identified `EMPTY_ROW_REGEXP` regular expression as vulnerable. [Link to query run](https://lgtm.com/query/8609731774537641779/). ### For more information If you have any questions or comments about this advisory: * Open an issue in [fast-csv](https://github.com/C2FO/fast-csv)
如何修補 CVE-2020-26256
要修補 CVE-2020-26256,請將受影響套件升級到下列已修補版本。
- —升級至 4.3.6 或更新版本
- —升級至 4.3.6 或更新版本
CVE-2020-26256 正在被利用嗎?
低 — EPSS 為 1.1%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 4.3.6
- from 0, < 4.3.6
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |