CSV Injection in Craft CMS

1) CSV injection

EUVDB-ID: #VU57058

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41824

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to inject arbitrary code into CSV files.

The vulnerability exists due to improper input validation. A remote attacker can inject arbitrary code into a CSV file.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Craft CMS: 3.7.0 - 3.7.13

CPE2.3

• cpe:2.3:a:pixel_and_tonic:craft_cms:3.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:pixel_and_tonic:craft_cms:3.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:pixel_and_tonic:craft_cms:3.7.2:*:*:*:*:*:*:*

External links

http://twitter.com/craftcmsupdates/status/1442928690145366018
http://github.com/craftcms/cms/blob/develop/CHANGELOG.md#3714---2021-09-28

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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