CVE-2021-28918
Improper parsing of octal bytes in netmask
描述
Improper input validation of octal strings in netmask npm package v1.0.6 and below allows unauthenticated remote attackers to perform indeterminate SSRF, RFI, and LFI attacks on many of the dependent packages. A remote unauthenticated attacker can bypass packages relying on netmask to filter IPs and reach critical VPN or LAN hosts. :exclamation: NOTE: The fix for this issue was incomplete. A subsequent fix was made in version `2.0.1` which was assigned [CVE-2021-29418 / GHSA-pch5-whg9-qr2r](https://github.com/advisories/GHSA-pch5-whg9-qr2r). For complete protection from this vulnerability an upgrade to version 2.0.1 or later is recommended.
如何修補 CVE-2021-28918
要修補 CVE-2021-28918,請將受影響套件升級到下列已修補版本。
- —升級至 2.0.1 或更新版本
CVE-2021-28918 正在被利用嗎?
中等 — EPSS 為 16.4%,可持續追蹤但非最高優先。
受影響套件(1)
- from 0, < 2.0.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |