CVE-2023-2017 relates to an SSTI vulnerability in Shopware 6, enabling remote attackers to execute arbitrary code. Severity score: 8.8.
This CVE involves an improper control of the generation of code in Twig rendered views in Shopware, potentially allowing remote attackers to execute arbitrary code.
Understanding CVE-2023-2017
This vulnerability, assigned CVE-2023-2017, relates to a Server-side Template Injection (SSTI) in Shopware 6. The vulnerability affects versions <= v6.4.20.0 and v6.5.0.0-rc1 <= v6.5.0.0-rc4, allowing attackers to bypass validation checks and execute arbitrary PHP functions.
What is CVE-2023-2017?
CVE-2023-2017 involves an SSTI vulnerability in Shopware 6, enabling remote attackers to bypass validation checks and execute arbitrary code through fully-qualified names supplied as arrays of strings.
The Impact of CVE-2023-2017
The impact of this vulnerability is significant, with a CVSS v3.1 base score of 8.8, categorizing it as high severity. The vulnerability allows for code injection, posing risks to confidentiality, integrity, and availability.
Technical Details of CVE-2023-2017
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability lies in the improper control of code generation in Twig rendered views in Shopware, enabling attackers with Twig environment access to execute arbitrary PHP functions.
Affected Systems and Versions
Shopware 6 versions <= v6.4.20.0 and v6.5.0.0-rc1 <= v6.5.0.0-rc4 are affected by this vulnerability.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by bypassing validation checks in Shopware 6, allowing them to execute arbitrary PHP functions.
Mitigation and Prevention
Protecting systems from potential exploits and attacks is crucial.
Immediate Steps to Take
Users are advised to upgrade to v6.4.20.1 to mitigate the vulnerability and prevent exploitation.
Long-Term Security Practices
Implementing secure coding practices, regular security audits, and staying informed about security updates can help mitigate future vulnerabilities.
Patching and Updates
Regularly applying patches and updates provided by the vendor is essential to address known vulnerabilities and enhance system security.