PrivateUploader up to 3.2.48 admin.controller.ts next access control

Summaryinfo

A vulnerability, which was classified as critical, has been found in PrivateUploader up to 3.2.48. The affected element is the function Next of the file app/routes/v3/admin.controller.ts. This manipulation causes access control. This vulnerability appears as CVE-2023-40020. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in PrivateUploader up to 3.2.48. Affected by this vulnerability is the function next of the file app/routes/v3/admin.controller.ts. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

PrivateUploader is an open source image hosting server written in Vue and TypeScript. In affected versions `app/routes/v3/admin.controller.ts` did not correctly verify whether the user was an administrator (High Level) or moderator (Low Level) causing the request to continue processing. The response would be a 403 with ADMIN_ONLY, however, next() would call leading to any updates/changes in the route to process. This issue has been addressed in version 3.2.49. Users are advised to upgrade. There are no known workarounds for this vulnerability.

The weakness was presented 08/15/2023 as GHSA-vhrw-2472-rrjx. The advisory is shared at github.com. This vulnerability is known as CVE-2023-40020 since 08/08/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 3.2.49 eliminates this vulnerability. Applying the patch 869657d61e3c7a518177106fe63ea483082b0d3e 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 the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• PrivateUploader

Version

• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.2.5
• 3.2.6
• 3.2.7
• 3.2.8
• 3.2.9
• 3.2.10
• 3.2.11
• 3.2.12
• 3.2.13
• 3.2.14
• 3.2.15
• 3.2.16
• 3.2.17
• 3.2.18
• 3.2.19
• 3.2.20
• 3.2.21
• 3.2.22
• 3.2.23
• 3.2.24
• 3.2.25
• 3.2.26
• 3.2.27
• 3.2.28
• 3.2.29
• 3.2.30
• 3.2.31
• 3.2.32
• 3.2.33
• 3.2.34
• 3.2.35
• 3.2.36
• 3.2.37
• 3.2.38
• 3.2.39
• 3.2.40
• 3.2.41
• 3.2.42
• 3.2.43
• 3.2.44
• 3.2.45
• 3.2.46
• 3.2.47
• 3.2.48

License

• open-source

Website

• Product: https://github.com/PrivateUploader/PrivateUploader/

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