CVE-2021-21317
Denial of Service in uap-core
7.5
HIGH
CVSS 3.1
EPSS 2.5%
描述
## Impact Some regexes are vulnerable to regular expression denial of service (REDoS) due to overlapping capture groups. This allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to maliciously crafted long strings. ## Patches Please update uap-core to >= v0.11.0 Downstream packages such as uap-python, uap-ruby etc which depend upon uap-core follow different version schemes.
如何修補 CVE-2021-21317
要修補 CVE-2021-21317,請將受影響套件升級到下列已修補版本。
- —升級至 0.11.0 或更新版本
CVE-2021-21317 正在被利用嗎?
低 — EPSS 為 2.5%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 0.11.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| 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 |