CVE-2023-39953

CVE-2023-39953, security advisory, suse linux, suse, security, cve

CVE-2023-39953

Common Vulnerabilities and Exposures

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Upstream information

CVE-2023-39953 at MITRE

Description

user_oidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version 1.0.0 and prior to version 1.3.3, missing verification of the issuer would have allowed an attacker to perform a man-in-the-middle attack returning corrupted or known token they also have access to. user_oidc 1.3.3 contains a patch. No known workarounds are available.

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SUSE information

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

This issue is currently rated as having moderate severity.

CVSS v3 Scores

	National Vulnerability Database
Base Score	4.8
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	Low
Integrity Impact	Low
Availability Impact	None
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1214183 [RESOLVED / INVALID]

No SUSE Security Announcements cross referenced.

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SUSE Timeline for this CVE

CVE page created: Thu Aug 10 18:06:14 2023
CVE page last modified: Sun Aug 13 16:59:14 2023