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CVE-2022-36883· jenkins / git· CWE-862

Jenkins Git <=4.11.3 - Missing Authorization

highseverity
7.5CVSS score
7%likelihood of exploitation, next 30 days
94%of all CVEs are less likely
Readycheck to confirm it

Jenkins Git plugin through 4.11.3 contains a missing authorization check. An attacker can trigger builds of jobs configured to use an attacker-specified Git repository and to cause them to check out an attacker-specified commit. This can make it possible to obtain sensitive information, modify data, and/or execute unauthorized operations.

Impact

This vulnerability can lead to unauthorized access to sensitive data and unauthorized actions being performed on the Jenkins Git plugin.

Fix

Upgrade to a fixed version of the Jenkins Git plugin (>=4.11.4) or apply the provided patch to mitigate the vulnerability.

How to confirm it

Send: GET {{BaseURL}}/git/notifyCommit?url={{randstr}}&branches={{randstr}}
Positive when: contains "repository:" and "SCM API plugin" AND status 200

Run it with nuclei: nuclei -id CVE-2022-36883 -u <target>

The full check
id: CVE-2022-36883

info:
  name: Jenkins Git <=4.11.3 - Missing Authorization
  author: c-sh0
  severity: high
  description: Jenkins Git plugin through 4.11.3 contains a missing authorization check. An attacker can trigger builds of jobs configured to use an attacker-specified Git repository and to cause them to check out an attacker-specified commit. This can make it possible to obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    This vulnerability can lead to unauthorized access to sensitive data and unauthorized actions being performed on the Jenkins Git plugin.
  remediation: |
    Upgrade to a fixed version of the Jenkins Git plugin (>=4.11.4) or apply the provided patch to mitigate the vulnerability.
  reference:
    - https://www.jenkins.io/security/advisory/2022-07-27/#SECURITY-284
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-36883
    - https://nvd.nist.gov/vuln/detail/CVE-2022-36883
    - http://www.openwall.com/lists/oss-security/2022/07/27/1
    - https://github.com/StarCrossPortal/scalpel
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    cvss-score: 7.5
    cve-id: CVE-2022-36883
    cwe-id: CWE-862
    epss-score: 0.07005
    epss-percentile: 0.94217
    cpe: cpe:2.3:a:jenkins:git:*:*:*:*:*:jenkins:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: jenkins
    product: git
    framework: jenkins
    shodan-query:
      - X-Jenkins
      - x-jenkins
  tags: cve,cve2022,jenkins,plugin,git,intrusive,vuln,vkev

http:
  - method: GET
    path:
      - "{{BaseURL}}/git/notifyCommit?url={{randstr}}&branches={{randstr}}"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "repository:"
          - SCM API plugin
        condition: and

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from