CVE-2024-55660: siyuan Code Injection — Fix

Description

SiYuan is a personal knowledge management system. Prior to version 3.1.16, SiYuan's `/api/template/renderSprig` endpoint is vulnerable to Server-Side Template Injection (SSTI) through the Sprig template engine. Although the engine has limitations, it allows attackers to access environment variables. Version 3.1.16 contains a patch for the issue.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-1336 CWE-1336

CWE-94 CWE-94

Affected Products

Vendor	Product	Versions
b3log	siyuan	All

References

Advisories & Patches

https://github.com/siyuan-note/siyuan/commit/e70ed57f6e4852e2bd702671aeb8eb3a47a36d71 https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4pjc-pwgq-q9jp

Frequently Asked Questions

What is CVE-2024-55660? +

SiYuan is a personal knowledge management system. Prior to version 3.1.16, SiYuan's `/api/template/renderSprig` endpoint is vulnerable to Server-Side Template Injection (SSTI) through the Sprig template engine. Although the engine has limitations, it allows attackers to access environment variables. Version 3.1.16 contains a patch for the issue. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-55660? +

CVE-2024-55660 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-55660? +

CVE-2024-55660 affects products from b3log, specifically: siyuan. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-55660? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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