SiYuan is a personal knowledge management system. In versions prior to 3.5.4, the markdown feature allows unrestricted server side html-rendering which allows arbitrary file read (LFD). Version 3.5.4 fixes the issue.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
siyuan-note:siyuan
References 6
https://github.com/siyuan-note/siyuan/blob/master/kernel/model/file.go#L1035
security-advisories@github.com
https://github.com/siyuan-note/siyuan/blob/v3.4.2/kernel/api/filetree.go#L799-L…
security-advisories@github.com
https://github.com/siyuan-note/siyuan/commit/b2274baba2e11c8cf8901b0c5c871e5b27…
security-advisories@github.com
https://github.com/siyuan-note/siyuan/commit/f8f4b517077b92c90c0d7b51ac11be1b34…
security-advisories@github.com
https://github.com/siyuan-note/siyuan/issues/16860
security-advisories@github.com
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cv54-7wv7-qxcw
security-advisories@github.com