siyuan-note SiYuan up to 3.1.15 /api/template/render path path traversal

Summaryinfo

A vulnerability has been found in siyuan-note SiYuan up to 3.1.15 and classified as critical. Affected is an unknown function of the file /api/template/render. This manipulation of the argument path causes path traversal. This vulnerability is tracked as CVE-2024-55657. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in siyuan-note SiYuan up to 3.1.15 and classified as critical. Affected by this vulnerability is an unknown part of the file /api/template/render. The manipulation of the argument path with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. The summary by CVE is:

SiYuan is a personal knowledge management system. Prior to version 3.1.16, an arbitrary file read vulnerability exists in Siyuan's `/api/template/render` endpoint. The absence of proper validation on the path parameter allows attackers to access sensitive files on the host system. Version 3.1.16 contains a patch for the issue.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2024-55657 since 12/10/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 3.1.16 eliminates this vulnerability. Applying the patch e70ed57f6e4852e2bd702671aeb8eb3a47a36d71 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-3525). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• siyuan-note

Name

• SiYuan

Version

• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6
• 3.1.7
• 3.1.8
• 3.1.9
• 3.1.10
• 3.1.11
• 3.1.12
• 3.1.13
• 3.1.14
• 3.1.15

License

• open-source

Website

• Product: https://github.com/siyuan-note/siyuan/

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

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