CVE-2018-20717

High

Description

In the orders section of PrestaShop before 1.7.2.5, an attack is possible after gaining access to a target store with a user role with the rights of at least a Salesman or higher privileges. The attacker can then inject arbitrary PHP objects into the process and abuse an object chain in order to gain Remote Code Execution. This occurs because protection against serialized objects looks for a 0: followed by an integer, but does not consider 0:+ followed by an integer.

SeverityHigh
CVSS8.8
Exploit probability—
ProductPrestashop
PublishedJan 15, 2019
First seenJan 15, 2019

How to fix

Update
  • prestashop prestashop1.7.2.5 or later
  • prestashop/prestashop1.7.2.5 or later

Affected products

ProductAffected versionsFixed in
prestashop prestashopv < 1.7.2.51.7.2.5
prestashop/prestashopPackagistv < 1.7.2.51.7.2.5

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