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CVE-2023-27491

Public on 2023-04-04
Modified on 2023-04-26
Description

Envoy is an open source edge and service proxy designed for cloud-native applications. Compliant HTTP/1 service should reject malformed request lines. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, There is a possibility that non compliant HTTP/1 service may allow malformed requests, potentially leading to a bypass of security policies. This issue is fixed in versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9.

Severity
Medium
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CVSS v3 Base Score
5.4
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Ecs Extra ecs-service-connect-agent 2023-04-13 19:51 ALAS2ECS-2023-003
Amazon Linux 2023 ecs-service-connect-agent 2023-04-27 20:00 ALAS2023-2023-165

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
NVD CVSSv3 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Red Hat: CVE-2023-27491 Mitre: CVE-2023-27491 FAQs regarding Amazon Linux ALAS/CVE Severity