CVE-2022-27780

描述

The curl URL parser wrongly accepts percent-encoded URL separators like '/'when decoding the host name part of a URL, making it a *different* URL usingthe wrong host name when it is later retrieved.For example, a URL like `http://example.com%2F127.0.0.1/`, would be allowed bythe parser and get transposed into `http://example.com/127.0.0.1/`. This flawcan be used to circumvent filters, checks and more.

如何修補 CVE-2022-27780

要修補 CVE-2022-27780,請將受影響套件升級到下列已修補版本。

• —升級至 7.80.0-r2 或更新版本

CVE-2022-27780 正在被利用嗎?

低 — EPSS 為 2.2%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• >= 7.80.0, < 7.80.0-r2

CVSS 分數

參考連結(1)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2022-27780