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CVE-2024-23324

Public on 2024-02-09
Modified on 2024-03-05
Description

Envoy is a high-performance edge/middle/service proxy. External authentication can be bypassed by downstream connections. Downstream clients can force invalid gRPC requests to be sent to ext_authz, circumventing ext_authz checks when failure_mode_allow is set to true. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Severity
Important
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CVSS v3 Base Score
7.3
See breakdown
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Ecs Extra ecs-service-connect-agent 2024-02-29 18:15 ALAS2ECS-2024-034
Amazon Linux 2023 ecs-service-connect-agent 2024-02-29 17:59 ALAS2023-2024-543

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD CVSSv3 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

References

Red Hat: CVE-2024-23324 Mitre: CVE-2024-23324 FAQs regarding Amazon Linux ALAS/CVE Severity