PT-2018-16181 · Nextcloud+2 · Nextcloud Server+2

Reinis Martinsons + 1 · Published 2018-06-19 · Updated 2023-02-28 · CVE-2018-3762

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions prior to 12.0.8 Nextcloud Server versions prior to 13.0.3

Description The issue arises from improper checks of dropped permissions for incoming shares, allowing a user to request previews for files they should not have access to.

Recommendations For versions prior to 12.0.8, update to version 12.0.8 or later. For versions prior to 13.0.3, update to version 13.0.3 or later.

Fix

Improper Preservation of Permissions

Improper Access Control

Weakness Enumeration

CWE-281

CWE-284

Related Identifiers

ALT-PU-2018-1913

CVE-2018-3762

OPENSUSE-SU-2018_1924-1

OPENSUSE-SU-2024:11087-1

Affected Products

Alt Linux

Nextcloud Server

Suse

References · 15

• https://nextcloud.com/security/advisory/?id=nc-sa-2018-002 · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2018-1913 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3762 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-3762 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16463 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3761 · Security Note
• https://osv.dev/vulnerability/CVE-2018-3762 · Vendor Advisory
• https://lists.opensuse.org/archives/list/[e-mail]/thread/RSHDIDRMLM7RS77R7KSNDMLMB2B2ZALH · Note
• https://suse.com/security/cve/CVE-2018-3762.html · Note
• https://bugzilla.suse.com/1100343 · Note
• https://hackerone.com/reports/358339 · Note
• https://suse.com/security/cve/CVE-2018-3761.html · Note
• https://packages.altlinux.org/ru/vuln/CVE-2018-3762 · Note
• https://bugzilla.suse.com/1100344 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3762 · Note