CVE-2020-5243
Denial of Service in uap-core when processing crafted User-Agent strings
5.7
MEDIUM
CVSS 3.1
EPSS 2.3%
描述
uap-core before 0.7.3 is vulnerable to a denial of service attack when processing crafted User-Agent strings. 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. This has been patched in uap-core 0.7.3.
如何修補 CVE-2020-5243
要修補 CVE-2020-5243,請將受影響套件升級到下列已修補版本。
- —升級至 2.6.0 或更新版本
- —升級至 0.7.3 或更新版本
CVE-2020-5243 正在被利用嗎?
低 — EPSS 為 2.3%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 2.6.0
- from 0, < 0.7.3
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 |