CVE-2018-16875
rustls-webpki: CPU denial of service in certificate path building
7.5
HIGH
CVSS 3.1
EPSS 6.3%
描述
When this crate is given a pathological certificate chain to validate, it will spend CPU time exponential with the number of candidate certificates at each step of path building. Both TLS clients and TLS servers that accept client certificate are affected. We now give each path building operation a budget of 100 signature verifications. The original `webpki` crate is also affected. This was previously reported in the original crate <https://github.com/briansmith/webpki/issues/69> and re-reported to us recently by Luke Malinowski.
如何修補 CVE-2018-16875
要修補 CVE-2018-16875,請將受影響套件升級到下列已修補版本。
- —升級至 1.10.6 或更新版本
- —升級至 0.100.2 或更新版本
- —升級至 0.22.2 或更新版本
CVE-2018-16875 正在被利用嗎?
中等 — EPSS 為 6.3%,可持續追蹤但非最高優先。
受影響套件(3)
- from 0, < 1.10.6, >= 1.11.0-0, < 1.11.3
- >= 0.0.0-0, < 0.100.2, >= 0.101.0, < 0.101.4
- >= 0.0.0-0, < 0.22.2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |