SB2021022215 - Multiple vulnerabilities in PrestaShop

Description

This security bulletin contains information about 2 vulnerabilities.

1) CSV Injection (CVE-ID: CVE-2021-21302)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

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.

2) Insufficient Session Expiration (CVE-ID: CVE-2021-21308)

CWE-ID: CWE-613 - Insufficient Session Expiration

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to impersonate web application users.

The vulnerability exists due to insufficient session expiration issue within the soft logout feature. A remote non-authenticated attacker can impersonate web application users and execute customer commands.

Remediation

Install update from vendor's website.

References

• https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-2rw4-2p99-cmx9/
• https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-557h-hf3c-whcg/