Xibo CMS up to 2.3.16/3.3.4 Layout Import path traversal

Summaryinfo

A vulnerability labeled as critical has been found in Xibo CMS up to 2.3.16/3.3.4. This affects an unknown function of the component Layout Import Handler. Such manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2023-33177. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Xibo CMS up to 2.3.16/3.3.4 (Content Management System). It has been rated as critical. Affected by this issue is an unknown part of the component Layout Import Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Xibo is a content management system (CMS). A path traversal vulnerability exists in the Xibo CMS whereby a specially crafted zip file can be uploaded to the CMS via the layout import function by an authenticated user which would allow creation of files outside of the CMS library directory as the webserver user. This can be used to upload a PHP webshell inside the web root directory and achieve remote code execution as the webserver user. Users should upgrade to version 2.3.17 or 3.3.5, which fix this issue. Customers who host their CMS with Xibo Signage have already received an upgrade or patch to resolve this issue regardless of the CMS version that they are running.

The weakness was disclosed 05/31/2023 as GHSA-jj27-x85q-crqv. The advisory is available at github.com. This vulnerability is handled as CVE-2023-33177 since 05/17/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 2.3.17 or 3.3.5 eliminates this vulnerability. Applying the patch 1cbba380fa751a00756e70d7b08b5c6646092658 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Content Management System

Vendor

• Xibo

Name

• CMS

Version

• 2.3.0
• 2.3.1
• 2.3.2
• 2.3.3
• 2.3.4
• 2.3.5
• 2.3.6
• 2.3.7
• 2.3.8
• 2.3.9
• 2.3.10
• 2.3.11
• 2.3.12
• 2.3.13
• 2.3.14
• 2.3.15
• 2.3.16
• 3.3.0
• 3.3.1
• 3.3.2
• 3.3.3
• 3.3.4

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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