SB2021022215 - Multiple vulnerabilities in PrestaShop

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

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

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)

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/