Multiple vulnerabilities in PrestaShop

Published: 2021-02-22

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-21302 CVE-2021-21308
CWE-ID	CWE-94 CWE-613
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	PrestaShop Web applications / E-Commerce systems
Vendor	PrestaShop SA

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) CSV Injection

EUVDB-ID: #VU50834

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21302

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 content via CSV files.

The vulnerability exists due to improper input validation in shop search keywords via the admin panel when processing CSV files. A remote attacker can trick the victim to load a specially crafted CVS file and inject arbitrary content to the website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PrestaShop: 1.5.0.0 - 1.7.7.1

External links

http://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-2rw4-2p99-cmx9/

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.

2) Insufficient Session Expiration

EUVDB-ID: #VU50835

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21308

CWE-ID: CWE-613 - Insufficient Session Expiration