CVE-2023-42457 — plone.rest vulnerable to Denial of Service when ++api++ is used many times

Affected: plone.rest

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).

GHSA-h6rp-mprm-xgcq — plone.rest vulnerable to Denial of Service when ++api++ is used many times

Affected: PyPI: plone.rest

### 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++`.

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CVE-2023-42457 — plone.rest vulnerable to Denial of Service when ++api++ is used many times

GHSA-h6rp-mprm-xgcq — plone.rest vulnerable to Denial of Service when ++api++ is used many times