CVE-2018-3761

Upstream information

CVE-2018-3761 at MITRE

Description

Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.

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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 v2 Scores

	National Vulnerability Database
Base Score	5.8
Vector	AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector	Network
Access Complexity	Medium
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	None

CVSS v3 Scores

	National Vulnerability Database
Base Score	8.1
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Access Vector	Network
Access Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	High
Availability Impact	None
CVSSv3 Version	3

SUSE Bugzilla entries: 1100343 [RESOLVED / FIXED], 1100344 [RESOLVED / FIXED]

SUSE Security Advisories:

• openSUSE-SU-2018:1924-1, published Wed, 11 Jul 2018 21:07:57 +0200 (CEST)

List of released packages

Product(s)	Fixed package version(s)	References
openSUSE Leap 15.0	nextcloud >= 13.0.4-lp150.2.3.1	Patchnames: openSUSE-2019-511