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CVE-2023-2017

Date: April 17, 2023

Server-side Template Injection (SSTI) in Shopware 6 (<= v6.4.20.0, v6.5.0.0-rc1 <= v6.5.0.0-rc4), affecting both shopware/core and shopware/platform GitHub repositories, allows remote attackers with access to a Twig environment without the Sandbox extension to bypass the validation checks in "Shopware\Core\Framework\Adapter\Twig\SecurityExtension" and call any arbitrary PHP function and thus execute arbitrary code/commands via usage of fully-qualified names, supplied as array of strings, when referencing callables. Users are advised to upgrade to v6.4.20.1 to resolve this issue. This is a bypass of CVE-2023-22731.

Language: PHP

Severity Score

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

Incomplete List of Disallowed Inputs

CWE-184

Improper Neutralization of Special Elements Used in a Template Engine

CWE-1336

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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