Plone
CVE-2023-42457
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
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).
AnalysisAI
plone.rest allows users to use HTTP verbs such as GET, POST, PUT, DELETE, etc. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
Technical ContextAI
This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. 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). Affected products include: Plone Rest.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.
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Same weakness CWE-400 – Uncontrolled Resource Consumption
View allSame technique Denial Of Service
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External POC / Exploit Code
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