NVD

CVE-2020-25507 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Current Description

An incorrect permission assignment during the installation script of TeamworkCloud 18.0 thru 19.0 allows a local unprivileged attacker to execute arbitrary code as root. During installation, the user is instructed to set the system enviroment file with world writable permissions (0777 /etc/environment). Any local unprivileged user can execute arbitrary code simply by writing to /etc/environment, which will force all users, including root, to execute arbitrary code during the next login or reboot. In addition, the entire home directory of the twcloud user at /home/twcloud is recursively given world writable permissions. This allows any local unprivileged attacker to execute arbitrary code, as twcloud. This product was previous named Cameo Enterprise Data Warehouse (CEDW).

View Analysis Description

Severity

CVSS 3.x Severity and Metrics:

NIST: NVD

Base Score: 7.8 HIGH

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://community.nomagic.com/finding-and-fixing-wrong-file-permission-twc-installation-t7165.html
https://docs.nomagic.com/display/TWCloud190/Installation+on+Linux+using+scripts	Third Party Advisory
https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-002.md	Exploit Third Party Advisory
https://sick.codes/finding-a-vulnerability-in-teamwork-cloud-server-nomagic-3ds-which-is-used-by-gov-enterprise-to-design-rockets-missiles-and-satellites
https://sick.codes/sick-2020-002/
https://web.archive.org/web/20201219095507/https://docs.nomagic.com/display/TWCloud185SP1/Installation+on+Centos+7.
https://web.archive.org/web/20201219155833/https://docs.nomagic.com/pages/viewpage.action?pageId=20846937

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-732	Incorrect Permission Assignment for Critical Resource	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

CVE Modified by MITRE 1/04/2021 2:15:14 PM

Action	Type	Old Value	New Value
Changed	Description	An incorrect permission assignment (chmod 777) of /etc/environment during the installation script of No Magic TeamworkCloud 18.0 through 19.0 allows any local unprivileged user to write to /etc/environment. An attacker can escalate to root by writing arbitrary code to this file, which would be executed by root during the next login, reboot, or sourcing of the environment.	Record truncated, showing 500 of 781 characters. View Entire Change Record An incorrect permission assignment during the installation script of TeamworkCloud 18.0 thru 19.0 allows a local unprivileged attacker to execute arbitrary code as root. During installation, the user is instructed to set the system enviroment file with world writable permissions (0777 /etc/environment). Any local unprivileged user can execute arbitrary code simply by writing to /etc/environment, which will force all users, including root, to execute arbitrary code during the next login or reboot
Added	Reference		https://community.nomagic.com/finding-and-fixing-wrong-file-permission-twc-installation-t7165.html [No Types Assigned]
Added	Reference		https://sick.codes/finding-a-vulnerability-in-teamwork-cloud-server-nomagic-3ds-which-is-used-by-gov-enterprise-to-design-rockets-missiles-and-satellites [No Types Assigned]
Added	Reference		https://sick.codes/sick-2020-002/ [No Types Assigned]
Added	Reference		https://web.archive.org/web/20201219095507/https://docs.nomagic.com/display/TWCloud185SP1/Installation+on+Centos+7. [No Types Assigned]
Added	Reference		https://web.archive.org/web/20201219155833/https://docs.nomagic.com/pages/viewpage.action?pageId=20846937 [No Types Assigned]

Initial Analysis by NIST 12/30/2020 11:19:37 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:a:3ds:teamwork_cloud::::::::* versions from (including) 18.0 up to (including) 19.0
Added	CVSS V2		NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Added	CVSS V3.1		NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added	CWE		NIST CWE-732
Changed	Reference Type	https://docs.nomagic.com/display/TWCloud190/Installation+on+Linux+using+scripts No Types Assigned	https://docs.nomagic.com/display/TWCloud190/Installation+on+Linux+using+scripts Third Party Advisory
Changed	Reference Type	https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-002.md No Types Assigned	https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-002.md Exploit, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2020-25507
NVD Published Date:
12/28/2020
NVD Last Modified:
01/04/2021
Source:
MITRE

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Information Technology Laboratory

National Vulnerability Database