CVE-2024-55660: Github.com/siyuan note/siyuan/kernel SiYuan Has An SSTI Vulnerability

MODERATE
Advisory Identifier: GHSA-4pjc-pwgq-q9jp
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CWE-1336
Published
Advisory Summary

CVE-2024-55660 is a MODERATE siyuan has an ssti vulnerability (CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine) affecting Github.com/siyuan note/siyuan/kernel libraries in the Go ecosystem. The issue involves siyuan has an ssti via /api/template/rendersprig. Remediation is available in the latest vendor maintenance releases.

CVE-2024-55660 at a Glance

CVE Identifier CVE-2024-55660
GHSA Identifier GHSA-4pjc-pwgq-q9jp
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine
Affected Product Github.com/siyuan note/siyuan/kernel
Package Ecosystem Go
Published Date
Last Updated

How to Fix CVE-2024-55660

To remediate this vulnerability, upgrade all affected Github.com/siyuan note/siyuan/kernel dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/siyuan-note/siyuan/kernel fixed: Latest secure release 
Upgrade github.com/siyuan-note/siyuan/kernel to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/siyuan-note/siyuan/kernel

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-55660, inspect your project dependencies for Github.com/siyuan note/siyuan/kernel:

inspect dependencies for github.com/siyuan-note/siyuan/kernel

Analyze the terminal output to locate any version of Github.com/siyuan note/siyuan/kernel in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine, where the product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine. In Github.com/siyuan note/siyuan/kernel, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Summary 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 ### Impact Information leakage

CVE-2024-55660 Affected Github.com/siyuan note/siyuan/kernel Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
github.com/siyuan-note/siyuan/kernel
golang/github.com/siyuan-note/siyuan/kernel
Go
≤ 0.0.0-20241210012039-5129ad926a21

References

GitHub Advisory / Wiki ADVISORY
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4pjc-pwgq-q9jp
NVD — CVE-2024-55660 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-55660
Security Fix Commit FIX COMMIT
https://github.com/siyuan-note/siyuan/commit/e70ed57f6e4852e2bd702671aeb8eb3a47a36d71
Github.com/siyuan note/siyuan/kernel Source Repository REPOSITORY
https://github.com/siyuan-note/siyuan
pkg.go.dev/vuln/go-2024-3324 WEB
https://pkg.go.dev/vuln/GO-2024-3324

Frequently Asked Questions

What is CVE-2024-55660?
CVE-2024-55660 is a security vulnerability in Github.com/siyuan note/siyuan/kernel involving SiYuan has an SSTI via /api/template/renderSprig under CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine.
Which Github.com/siyuan note/siyuan/kernel versions are affected?
Affected versions include releases prior to current release patches across affected packages: github.com/siyuan-note/siyuan/kernel.
What version fixes CVE-2024-55660?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/siyuan-note/siyuan/kernel affected?
Yes, github.com/siyuan-note/siyuan/kernel is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with CVE-2024-55660?
CVE-2024-55660 is classified under CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine (The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine.).
How can I check Go dependencies for CVE-2024-55660?
Run the dependency tree command: 'inspect dependencies for github.com/siyuan-note/siyuan/kernel'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-4pjc-pwgq-q9jp",
  "modified" : "2024-12-12T19:20:33Z",
  "published" : "2024-12-11T18:44:47Z",
  "aliases" : [ "CVE-2024-55660" ],
  "summary" : "SiYuan has an SSTI via /api/template/renderSprig",
  "details" : "### Summary\nSiyuan'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\n\n### Impact\n\nInformation leakage",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/siyuan-note/siyuan/kernel"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "0.0.0-20241210012039-5129ad926a21"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4pjc-pwgq-q9jp"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-55660"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/siyuan-note/siyuan/commit/e70ed57f6e4852e2bd702671aeb8eb3a47a36d71"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/siyuan-note/siyuan"
  }, {
    "type" : "WEB",
    "url" : "https://pkg.go.dev/vuln/GO-2024-3324"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-1336" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-12-11T18:44:47Z",
    "nvd_published_at" : "2024-12-12T02:15:32Z"
  }
}