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[CVE-2023-33279] Improper neutralization of multiple SQL parameters in the SC Fix My PrestaShop module for PrestaShop
In the module “SC Fix My PrestaShop” (scfixmyprestashop), an anonymous user can perform a SQL injection. The module is obsolete and must be deleted.
Summary
- CVE ID: CVE-2023-33279
- Published at: 2023-05-25
- Platform: PrestaShop
- Product: scfixmyprestashop
- Impacted release: ALL VERSIONS DANGER
- Product author: Store Commander
- Weakness: CWE-89
- Severity: critical (9.8)
Description
In scfixmyprestashop module for PrestaShop (all versions, must be deleted as soon as possible), a sensitive SQL call can be executed with a trivial http call and exploited to forge a blind SQL injection.
CVSS base metrics
- Attack vector: network
- Attack complexity: low
- Privilege required: none
- User interaction: none
- Scope: unchanged
- Confidentiality: high
- Integrity: high
- Availability: high
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Possible malicious usage
- Technical and personal data leaks
- Obtain admin access
- Remove all data of the linked PrestaShop
- Display sensitives tables to front-office to unlock potential admin’s ajax scripts of modules protected by token on the ecosystem
Other recommendations
- It’s recommended to delete the module
- To help improve the security of your PrestaShop installation, we recommend upgrading to the latest version. One of the benefits of upgrading is that it will disable the use of multiquery executions (separated by semicolons). However, please be aware that this will not protect your shop against SQL injection attacks that use the UNION clause to steal data. Additionally, it’s important to note that PrestaShop includes a function called pSQL, which includes a strip_tags function. This helps protect your shop against Stored XSS (also known as XSS T2) of Category 1. If a pSQL function is missing, it could potentially expose your project to critical Stored XSS vulnerabilities due to edge cases. Therefore, it’s crucial to ensure that all relevant functions are properly implemented and used consistently throughout your project.
- Change the default database prefix ps_ by a new longer arbitrary prefix. Nevertheless, be warned that this is useless against blackhats with DBA senior skill because of a design vulnerability in DBMS
- Activate OWASP 942’s rules on your WAF (Web application firewall), be warned that you will probably break your backoffice and you will need to pre-configure some bypasses against these set of rules.
Timeline
| Date | Action |
|---|---|
| 2022-09-21 | Issue discovered after a security audit by TouchWeb |
| 2022-09-21 | Contact Author |
| 2023-05-15 | Request a CVE ID |
| 2023-05-22 | Received CVE ID |
Store Commander thanks TouchWeb for its courtesy and its help after the vulnerability disclosure.
Links
DISCLAIMER: The French Association Friends Of Presta (FOP) acts as an intermediary to help hosting this advisory. While we strive to ensure the information and advice provided are accurate, FOP cannot be held liable for any consequences arising from reported vulnerabilities or any subsequent actions taken.
This advisory and patch is licensed under CC BY-SA 4.0
