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Fencer Intel
low 3.7

GHSA-83x9-vc3c-hghc json

OpenSearch has a bypass of REST Layer Authorization Using Malformed Paths

published 6mo ago modified 6mo ago

cvss
3.7
version 3.1, GitHub
cisa kev
Not listed
not in CISA's catalog
epss
—
no score, EPSS covers CVEs only
public exploits
0
none known

Summary

### Description

A flaw was identified in the OpenSearch REST layer that could allow authorization checks to be bypassed when processing certain malformed HTTP requests. This could permit unauthorized access to restricted API endpoints in environments that rely on REST-layer authorization.

Transport-level authorization is not affected by this issue.

### Impact

The default OpenSearch distribution is not affected by this issue. REST actions in the default distribution have corresponding transport actions that independently enforce authorization. Custom plugins that register REST actions without a corresponding transport action may be affected, potentially allowing unauthorized read access to those endpoints.

### Patches

This issue is fixed in OpenSearch 2.19.0. Users should upgrade to 2.19.0 or later.

Patch / fix

  • maven org.opensearch.plugin:opensearch-security 2.19.0.0

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CVSS scores

assigned by version score vector
GitHub 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.opensearch.plugin:opensearch-security
>=2.11.0.0, <2.19.0.0
2.19.0.0

Classification

Weakness

References

Sources

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