Vulnerability identifier: #VU27312

Vulnerability risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-5250

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
PrestaShop
Web applications / E-Commerce systems

Vendor: PrestaShop SA

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists when a customer edits their address, they can freely change the id_address in the form. A remote authenticated attacker can steal someone else's address.

It is the same with CustomerForm, you are able to change the id_customer and change all information of all accounts.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PrestaShop: 1.7.0.0 - 1.7.6.3

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External links
http://github.com/PrestaShop/PrestaShop/commit/a4a609b5064661f0b47ab5bc538e1a9cd3dd1069
http://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-mhfc-6rhg-fxp3

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.