plone.rest vulnerable to Denial of Service when ++api++ is used many times

高 7.5CVE-2023-42457 · GHSA-h6rp-mprm-xgcq · PYSEC-2023-178 · 21/09/2023 公開 · 17/06/2026 更新

要点

CVE-2023-42457 は plone-rest, rest (plone) に影響する深刻度「高」 (CVSS 7.5) の脆弱性です。
今後30日間に悪用される確率（EPSS）：1.0%（全脆弱性の 63.3% より高い）。
対処：2.0.1, 3.0.1 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
plone-rest PyPI	`≥ 2.0.0a1, < 2.0.1≥ 3.0.0, < 3.0.1全バージョン`	`2.0.13.0.1`
rest plone	`= 2.0.0= 3.0.0`	修正版なし

概要

Impact

When the ++api++ traverser is accidentally used multiple times in a url, handling it takes increasingly longer, making the server less responsive.

Patches

Patches will be released in plone.rest 2.0.1 and 3.0.1. Series 1.x is not affected.

Workarounds

In your frontend web server (nginx, Apache) you can redirect /++api++/++api++ to /++api++.

NVD の説明

plone.rest allows users to use HTTP verbs such as GET, POST, PUT, DELETE, etc. in Plone. Starting in the 2.x branch and prior to versions 2.0.1 and 3.0.1, when the `++api++` traverser is accidentally used multiple times in a url, handling it takes increasingly longer, making the server less responsive. Patches are available in `plone.rest` 2.0.1 and 3.0.1. Series 1.x is not affected. As a workaround, one may redirect `/++api++/++api++` to `/++api++` in one's frontend web server (nginx, Apache).