Chamilo LMS up to 1.11.20 File Upload fileUpload.lib.php case sensitivity

Summaryinfo

A vulnerability was found in Chamilo LMS up to 1.11.20. It has been declared as critical. This impacts an unknown function in the library main/inc/lib/fileUpload.lib.php of the component File Upload Handler. Such manipulation leads to case sensitivity. This vulnerability is documented as CVE-2023-3545. The attack can be executed remotely. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Chamilo LMS up to 1.11.20 (Content Management System). It has been rated as critical. Affected by this issue is some unknown processing in the library main/inc/lib/fileUpload.lib.php of the component File Upload Handler. The manipulation with an unknown input leads to a case sensitivity vulnerability. Using CWE to declare the problem leads to CWE-178. The product does not properly account for differences in case sensitivity when accessing or determining the properties of a resource, leading to inconsistent results. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated attackers to bypass file upload security protections and obtain remote code execution via uploading of `.htaccess` file. This vulnerability may be exploited by privileged attackers or chained with unauthenticated arbitrary file write vulnerabilities, such as CVE-2023-3533, to achieve remote code execution.

The weakness was released 11/28/2023. The advisory is available at starlabs.sg. This vulnerability is handled as CVE-2023-3545 since 07/07/2023. Technical details are known, but there is no available exploit.

By approaching the search of inurl:main/inc/lib/fileUpload.lib.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch dc7bfce429fbd843a95a57c184b6992c4d709549 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Type

• Content Management System

Vendor

• Chamilo

Name

• LMS

Version

• 1.11.0
• 1.11.1
• 1.11.2
• 1.11.3
• 1.11.4
• 1.11.5
• 1.11.6
• 1.11.7
• 1.11.8
• 1.11.9
• 1.11.10
• 1.11.11
• 1.11.12
• 1.11.13
• 1.11.14
• 1.11.15
• 1.11.16
• 1.11.17
• 1.11.18
• 1.11.19
• 1.11.20

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

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

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