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[CVE-2023-45383] Improper Limitation of a Pathname to a Restricted Directory in Common-Services - Sonice Etiquetage module for PrestaShop
In the module “SoNice Etiquetage” (sonice_etiquetage) up to version 2.5.9 from Common-Services for PrestaShop, a guest can download personal information without restriction by performing a path traversal attack.
Summary
- CVE ID: CVE-2023-45383
- Published at: 2023-10-17
- Platform: PrestaShop
- Product: sonice_etiquetage
- Impacted release: <= 2.5.9 (2.6.1 fixed the vulnerability)
- Product author: Common-Services
- Weakness: CWE-22
- Severity: high (7.5)
Description
Due to a lack of permissions control and a lack of control in the path name construction, a guest can perform a path traversal to view all files on the information system.
Note : We are forced to tag it as a high gravity due to the CWE type 22 but be warned that on our ecosystem, it must be considered critical since it unlocks hundreds admin’s ajax script of modules due to this
WARNING : Be informed that this vulnerability is actively exploited.
CVSS base metrics
- Attack vector: network
- Attack complexity: low
- Privilege required: none
- User interaction: none
- Scope: unchanged
- Confidentiality: high
- Integrity: none
- Availability: none
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Possible malicious usage
- Stealing secrets to unlock admin controllers based on ajax script
- Exfiltrate all modules with all versions to facilitate pentesting
- Stealing table_prefix to greatly facilitate SQL injections for kiddies who don’t know how to exploit DBMS design’s vulnerabilities or steal database access to login in exposed PHPMyAdmin/Adminer/etc.
- Bypass WAF / htaccess restrictions to read forbidden files (such as logs on predictable paths of banks’s modules inside /var/log/)
Patch from 2.5.9
--- 2.5.9/modules/sonice_etiquetage/functions/download_label.php
+++ XXXXX/modules/sonice_etiquetage/functions/download_label.php
public function action()
{
- $file = Tools::getValue('file');
+ $file = basename(Tools::getValue('file'));
--- 2.5.9/modules/sonice_etiquetage/functions/download_label_img.php
+++ XXXXX/modules/sonice_etiquetage/functions/download_label_img.php
public function action()
{
- $file = $_REQUEST['file'];
+ $file = basename($_REQUEST['file']);
Other recommendations
- It’s recommended to upgrade to the latest version of the module sonice_etiquetage.
- You should consider restricting the access of the pattern modules/sonice_etiquetage/functions/download to a whitelist
- NEVER expose a PHPMyAdmin / Adminer / etc without, at least, a htpasswd
- Activate OWASP 930’s rules on your WAF (Web application firewall) and adjust it for your PrestaShop
Timeline
Date | Action |
---|---|
2022-09-19 | Issue discovered during a code review by TouchWeb.fr |
2022-09-19 | Ask developpers concerned to report it to author |
2023-05-19 | Contact PrestaShop Addons security Team to confirm versions scope by author |
2023-05-19 | PrestaShop Addons security Team confirm versions scope by author |
2023-05-19 | Request a CVE ID |
2023-05-31 | Author provide patch |
2023-10-11 | Received CVE ID |
2023-10-17 | Publish this security advisory |
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