Security restrictions bypass in Tablefield module for Backdrop CMS

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU18635

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information within the web application.

The vulnerability exists due to the application does not check user's permissions when performing data export. A remote authenticated user with "Export Tablefield Data as CSV" privileges can export data from unpublished nodes or otherwise inaccessible entities.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

TableField: 1.x-2.5.0 - 1.x-2.5.4

CPE2.3

• cpe:2.3:a:backdropcms:tablefield:1.x-2.5.0:*:*:*:*:backdrop:*:*
• cpe:2.3:a:backdropcms:tablefield:1.x-2.5.1:*:*:*:*:backdrop:*:*
• cpe:2.3:a:backdropcms:tablefield:1.x-2.5.2:*:*:*:*:backdrop:*:*

External links

https://backdropcms.org/security/backdrop-sa-contrib-2019-010

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.