OpenProject up to 12.5.5 Public Project /robots.txt information disclosure

Summaryinfo

A vulnerability identified as problematic has been detected in OpenProject up to 12.5.5. This affects an unknown function of the file /robots.txt of the component Public Project Handler. This manipulation causes information disclosure. This vulnerability is handled as CVE-2023-33960. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in OpenProject up to 12.5.5 (Project Management Software). Affected by this vulnerability is some unknown functionality of the file /robots.txt of the component Public Project Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

OpenProject is web-based project management software. For any OpenProject installation, a `robots.txt` file is generated through the server to denote which routes shall or shall not be accessed by crawlers. These routes contain project identifiers of all public projects in the instance. Prior to version 12.5.6, even if the entire instance is marked as `Login required` and prevents all truly anonymous access, the `/robots.txt` route remains publicly available. Version 12.5.6 has a fix for this issue. Alternatively, users can download a patchfile to apply the patch to any OpenProject version greater than 10.0 As a workaround, one may mark any public project as non-public and give anyone in need of access to the project a membership.

The weakness was released 06/01/2023 as GHSA-xjfc-fqm3-95q8. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-33960 since 05/24/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

By approaching the search of inurl:robots.txt it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 12.5.6 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Project Management Software

Name

• OpenProject

Version

• 12.5.0
• 12.5.1
• 12.5.2
• 12.5.3
• 12.5.4
• 12.5.5

CPE 2.3info

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CPE 2.2info

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