Vulnerability CVE-2020-8154

Vulnerability Name:

CVE-2020-8154 (CCN-181853)

Assigned:

2020-03-18

Published:

2020-03-18

Updated:

2020-10-19

Summary:

An Insecure direct object reference vulnerability in Nextcloud Server 18.0.2 allowed an attacker to remote wipe devices of other users when sending a malicious request directly to the endpoint.

CVSS v3 Severity:

7.7 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)
6.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L)
4.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

6.8 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-639

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2020-8154

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2020:0667

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2020:0668

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2020:0670

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2020:1652

Source: XF
Type: UNKNOWN
nextcloud-cve20208154-dos(181853)

Source: MISC
Type: Exploit, Third Party Advisory
https://hackerone.com/reports/819807

Source: FEDORA
Type: UNKNOWN
FEDORA-2020-c9863904de

Source: CCN
Type: NC-SA-2020-018
Missing ownership check on remote wipe endpoint

Source: MISC
Type: Vendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-018

Vulnerable Configuration:

Configuration 1:

cpe:/a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* (Version < 17.0.5)

OR cpe:/a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* (Version >= 18.0.0 and < 18.0.3)

Configuration CCN 1:

cpe:/a:nextcloud:nextcloud_server:18.0.2:-:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20208154	V	CVE-2020-8154	2022-06-30
oval:org.opensuse.security:def:93607	P	(Important)	2022-05-16
oval:org.opensuse.security:def:113028	P	nextcloud-22.1.1-1.2 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:106471	P	Security update for xorg-x11-server (Important)	2021-12-14
oval:org.opensuse.security:def:64626	P	Security update for aaa_base (Moderate)	2021-12-03
oval:org.opensuse.security:def:64796	P	Security update for binutils (Moderate)	2021-11-09
oval:org.opensuse.security:def:74738	P	Security update for xstream (Important)	2021-10-20
oval:org.opensuse.security:def:64756	P	Security update for gstreamer-plugins-good (Moderate)	2021-09-02
oval:org.opensuse.security:def:100320	P	(Moderate)	2021-08-23
oval:org.opensuse.security:def:64556	P	Security update for libsndfile (Critical)	2021-08-17
oval:org.opensuse.security:def:63133	P	terraform-provider-helm-1.3.2-6.3.1 on GA media (Moderate)	2021-08-10
oval:org.opensuse.security:def:63507	P	php7-embed-7.4.6-3.17.1 on GA media (Moderate)	2021-08-10
oval:org.opensuse.security:def:63372	P	salt-api-3002.2-6.1 on GA media (Moderate)	2021-08-10
oval:org.opensuse.security:def:63369	P	redis-6.0.10-1.7.1 on GA media (Moderate)	2021-08-10
oval:org.opensuse.security:def:63101	P	postgresql12-12.6-8.16.1 on GA media (Moderate)	2021-08-10
oval:org.opensuse.security:def:64524	P	Security update for ucode-intel (Important)	2021-06-10
oval:org.opensuse.security:def:62876	P	perl-doc-5.26.1-5.41 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:62869	P	perl-Archive-Extract-0.80-1.24 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:62873	P	perl-PerlMagick-7.0.7.34-1.6 on GA media (Moderate)	2021-06-08
oval:org.opensuse.security:def:64512	P	Security update for gstreamer, gstreamer-plugins-bad, gstreamer-plugins-base, gstreamer-plugins-good, gstreamer-plugins-ugly (Important)	2021-06-01
oval:org.opensuse.security:def:64684	P	Security update for java-11-openjdk (Important)	2021-05-11
oval:org.opensuse.security:def:64649	P	Security update for qemu (Important)	2021-02-19
oval:org.opensuse.security:def:64648	P	Security update for bind (Important)	2021-02-18
oval:org.opensuse.security:def:74622	P	Security update for python3 (Important)	2020-12-23
oval:org.opensuse.security:def:64280	P	Security update for openssh (Moderate)	2020-12-17
oval:org.opensuse.security:def:64444	P	Security update for curl (Moderate)	2020-12-09
oval:org.opensuse.security:def:63105	P	python3-keystoneclient-3.15.0-2.33 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:63079	P	gv-3.7.4-1.41 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:63167	P	libvirglrenderer0-0.6.0-2.30 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62688	P	libopenjpeg1-1.5.2-2.28 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62687	P	libnma-devel-1.8.24-5.2 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:63311	P	xen-4.13.1_02-1.2 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62711	P	open-vm-tools-desktop-11.1.0-2.2 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62901	P	glibc-devel-32bit-2.26-8.21 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:63604	P	MozillaThunderbird-68.8.0-3.80.2 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:62888	P	blktrace-1.1.0+git.20170126-3.3.28 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:63108	P	aws-cli-1.16.61-6.22 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:63575	P	gimp-2.8.22-3.42 on GA media (Moderate)	2020-12-03
oval:org.opensuse.security:def:25137	P	Security update for SDL (Moderate)	2020-12-01
oval:org.opensuse.security:def:25638	P	Security update for the Linux Kernel (Important)	2020-12-01
oval:org.opensuse.security:def:74871	P	Security update for nextcloud (Moderate)	2020-12-01
oval:org.opensuse.security:def:64183	P	Security update for mariadb (Moderate)	2020-12-01
oval:org.opensuse.security:def:25837	P	Security update for ImageMagick (Important)	2020-12-01
oval:org.opensuse.security:def:64916	P	Security update for webkit2gtk3 (Important)	2020-12-01
oval:org.opensuse.security:def:25247	P	Security update for libpng16 (Moderate)	2020-12-01
oval:org.opensuse.security:def:64402	P	libwavpack1 on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:25672	P	Security update for java-1_7_0-openjdk (Important)	2020-12-01
oval:org.opensuse.security:def:25062	P	Security update for the Linux Kernel (Important)	2020-12-01
oval:org.opensuse.security:def:26456	P	Security update for MozillaThunderbird (Important)	2020-12-01
oval:org.opensuse.security:def:25045	P	Security update for libcaca (Moderate)	2020-12-01
oval:org.opensuse.security:def:25403	P	Security update for MozillaFirefox (Important)	2020-12-01
oval:org.opensuse.security:def:63807	P	Security update for sysstat (Moderate)	2020-12-01
oval:org.opensuse.security:def:25779	P	Security update for the SUSE Linux Enterprise 12 kernel (Important)	2020-12-01
oval:org.opensuse.security:def:64300	P	libXext-devel on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:25056	P	Security update for samba (Important)	2020-12-01
oval:org.opensuse.security:def:64194	P	haproxy on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:75103	P	Security update for nextcloud (Moderate)	2020-12-01
oval:org.opensuse.security:def:25469	P	Security update for ncurses (Moderate)	2020-12-01
oval:org.opensuse.security:def:74496	P	Security update for samba (Important)	2020-12-01
oval:org.opensuse.security:def:63722	P	Security update for glibc (Moderate)	2020-12-01
oval:org.opensuse.security:def:25774	P	Security update for the Linux Kernel (Important)	2020-12-01
oval:org.opensuse.security:def:25265	P	Security update for mgetty (Moderate)	2020-12-01
oval:org.opensuse.security:def:25691	P	Security update for python36 (Important)	2020-12-01
oval:org.opensuse.security:def:26475	P	Recommended update for enigmail (Moderate)	2020-12-01
oval:org.opensuse.security:def:25061	P	Security update for libseccomp (Moderate)	2020-12-01
oval:org.opensuse.security:def:63733	P	Security update for webkit2gtk3 (Important)	2020-12-01
oval:org.opensuse.security:def:65028	P	Security update for shim (Moderate)	2020-12-01
oval:org.opensuse.security:def:25328	P	Security update for spice (Moderate)	2020-12-01
oval:org.opensuse.security:def:25073	P	Security update for sqlite3 (Important)	2020-12-01
oval:org.opensuse.security:def:64416	P	mailx on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:26491	P	Security update for nextcloud (Moderate)	2020-12-01
oval:org.opensuse.security:def:25487	P	Security update for ovmf (Moderate)	2020-12-01
oval:org.opensuse.security:def:63954	P	Security update for adns (Important)	2020-12-01
oval:org.opensuse.security:def:25793	P	Security update for icedtea-web (Moderate)	2020-12-01
oval:org.opensuse.security:def:64858	P	Security update for python (Important)	2020-12-01
oval:org.opensuse.security:def:25120	P	Security update for openwsman (Important)	2020-12-01
oval:org.opensuse.security:def:64417	P	minicom on GA media (Moderate)	2020-12-01
oval:org.opensuse.security:def:25619	P	Security update for libmspack (Moderate)	2020-12-01
oval:org.opensuse.security:def:63951	P	Security update for the Linux Kernel (Important)	2020-12-01
oval:org.opensuse.security:def:25818	P	Security update for flash-player (Important)	2020-12-01
oval:org.opensuse.security:def:25346	P	Security update for postgresql10 (Important)	2020-12-01
oval:org.opensuse.security:def:26510	P	Security update for nextcloud (Moderate)	2020-12-01
oval:org.opensuse.security:def:64060	P	Security update for dovecot22 (Important)	2020-12-01
oval:org.opensuse.security:def:74970	P	Security update for libredwg (Moderate)	2020-12-01
oval:org.opensuse.security:def:25385	P	Security update for MozillaFirefox (Moderate)	2020-12-01
oval:org.opensuse.security:def:25760	P	Security update for flash-player (Critical)	2020-12-01
oval:org.opensuse.security:def:100245	P	(Moderate)	2020-11-19
oval:org.opensuse.security:def:110798	P	Security update for nextcloud (Moderate)	2020-10-10
oval:org.opensuse.security:def:103065	P	Security update for nextcloud (Moderate)	2020-10-10
oval:org.opensuse.security:def:96375	P	Security update for nextcloud (Moderate)	2020-10-10
oval:org.opensuse.security:def:110246	P	Security update for nextcloud (Moderate)	2020-10-10
oval:org.opensuse.security:def:109722	P	Security update for nextcloud (Moderate)	2020-10-10
oval:org.opensuse.security:def:93532	P	Security update for nextcloud (Moderate)	2020-10-10
oval:org.opensuse.security:def:110533	P	Security update for nextcloud (Moderate)	2020-05-22

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