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Nuclei Templates

LabKey Server Community Edition <18.3.0 - Open Redirect

ID: CVE-2019-3912

Severity: medium

Author: 0x_Akoko

Tags: cve2019,cve,tenable,redirect,labkey

Description

Section titled “Description”

LabKey Server Community Edition before 18.3.0-61806.763 contains an open redirect vulnerability via the /__r1/ returnURL parameter, which allows an attacker to redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.

YAML Source

Section titled “YAML Source”
id: CVE-2019-3912


info:
  name: LabKey Server Community Edition <18.3.0 - Open Redirect
  author: 0x_Akoko
  severity: medium
  description: LabKey Server Community Edition before 18.3.0-61806.763 contains an open redirect vulnerability via the /__r1/ returnURL parameter, which allows an attacker to redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    An attacker can exploit this vulnerability to redirect users to malicious websites, leading to phishing attacks or the theft of sensitive information.
  remediation: |
    Upgrade LabKey Server Community Edition to version 18.3.0 or later to mitigate the vulnerability.
  reference:
    - https://www.tenable.com/security/research/tra-2019-03
    - https://nvd.nist.gov/vuln/detail/CVE-2019-3912
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/StarCrossPortal/scalpel
    - https://github.com/anonymous364872/Rapier_Tool
  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-2019-3912
    cwe-id: CWE-601
    epss-score: 0.0016
    epss-percentile: 0.51564
    cpe: cpe:2.3:a:labkey:labkey_server:*:*:*:*:community:*:*:*
  metadata:
    max-request: 1
    vendor: labkey
    product: labkey_server
    shodan-query:
      - 'Server: Labkey'
      - 'http.title:"sign in: /home"'
      - "server: labkey"
    fofa-query: 'title="sign in: /home"'
    google-query: 'intitle:"sign in: /home"'
  tags: cve2019,cve,tenable,redirect,labkey


http:
  - method: GET
    path:
      - '{{BaseURL}}/labkey/__r1/login-login.view?returnUrl=http://interact.sh'


    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh\/?(\/|[^.].*)?$' # https://regex101.com/r/L403F0/1
# digest: 4a0a00473045022100c1c224f22d40d4c51102e0b78cff94f7469568b005718e6a34fc7557511e419702207225f22167a109117868c5647cc957f41b303786bc9ae7c2564f8ae14b349730:922c64590222798bb761d5b6d8e72950

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/2019/CVE-2019-3912.yaml"

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