CVE-2022-21655

CVE-2022-21655, security advisory, suse linux, suse, security, cve

CVE-2022-21655

Common Vulnerabilities and Exposures

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Upstream information

CVE-2022-21655 at MITRE

Description

Envoy is an open source edge and service proxy, designed for cloud-native applications. The envoy common router will segfault if an internal redirect selects a route configured with direct response or redirect actions. This will result in a denial of service. As a workaround turn off internal redirects if direct response entries are configured on the same listener.

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SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having important severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	4.3
Vector	AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector	Network
Access Complexity	Medium
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

CVSS v3 Scores

	National Vulnerability Database
Base Score	7.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1196422 [RESOLVED / INVALID]

No SUSE Security Announcements cross referenced.

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SUSE Timeline for this CVE

CVE page created: Wed Feb 23 03:00:16 2022
CVE page last modified: Tue Sep 24 16:41:29 2024