PT-2018-13591 · Nextcloud+1 · Nextcloud Server+1

Born2Hack · Published 2018-09-03 · Updated 2019-10-09 · CVE-2018-16466

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 14.0.0 Nextcloud Server versions prior to 13.0.6 Nextcloud Server versions prior to 12.0.11

Description The issue is related to improper revalidation of permissions, which leads to access tokens not accepting access restrictions.

Recommendations For versions prior to 14.0.0, update to version 14.0.0 or later. For versions prior to 13.0.6, update to version 13.0.6 or later. For versions prior to 12.0.11, update to version 12.0.11 or later.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

CWE-273

Related Identifiers

ALT-PU-2018-2265

CVE-2018-16466

Affected Products

Alt Linux

Nextcloud Server

References · 9

• https://errata.altlinux.org/ALT-PU-2018-2265 · Vendor Advisory
• https://nextcloud.com/security/advisory/?id=NC-SA-2018-010 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16466 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3780 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-16466 · Security Note
• https://osv.dev/vulnerability/CVE-2018-16466 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16466 · Note
• https://hackerone.com/reports/388515 · Note
• https://packages.altlinux.org/ru/vuln/CVE-2018-16466 · Note