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.

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

SUSE Security Advisories:

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-2018-712
openSUSE Leap 42.3
  • nextcloud >= 13.0.4-9.1
Patchnames:
openSUSE-2018-712