CVE-2020-5279 - Incorrect Authorization

Severity

65%

Complexity

39%

Confidentiality

41%

In PrestaShop between versions 1.5.0.0 and 1.7.6.5, there are improper access control since the the version 1.5.0.0 for legacy controllers. - admin-dev/index.php/configure/shop/customer-preferences/ - admin-dev/index.php/improve/international/translations/ - admin-dev/index.php/improve/international/geolocation/ - admin-dev/index.php/improve/international/localization - admin-dev/index.php/configure/advanced/performance - admin-dev/index.php/sell/orders/delivery-slips/ - admin-dev/index.php?controller=AdminStatuses The problem is fixed in 1.7.6.5

CVSS 3.1 Base Score 6.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).

CVSS 2.0 Base Score 6.4. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:N).

Demo Examples

Incorrect Authorization

CWE-863

The following code could be for a medical records application. It displays a record to already authenticated users, confirming the user's authorization using a value stored in a cookie.


               }}setcookie("role", $role, time()+60*60*2);
die("\n");
DisplayMedicalHistory($_POST['patient_ID']);
die("You are not Authorized to view this record\n");

The programmer expects that the cookie will only be set when getRole() succeeds. The programmer even diligently specifies a 2-hour expiration for the cookie. However, the attacker can easily set the "role" cookie to the value "Reader". As a result, the $role variable is "Reader", and getRole() is never invoked. The attacker has bypassed the authorization system.

Overview

First reported 4 years ago

2020-04-20 17:15:00

Last updated 4 years ago

2020-04-29 14:21:00

Affected Software

Prestashop E-Commerce Solution

References

https://github.com/PrestaShop/PrestaShop/commit/4444fb85761667a2206874a3112ccc77f657d76a

Patch, Third Party Advisory

https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-74vp-ww64-w2gm