Tor Loco Min: Improper Authentication
CVE-2023-41442 is a critical-severity improper authentication vulnerability in Tor Loco Min from Kloudq, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Tor Loco Min versions: 1.0 through 3.1. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 1.3% chance of exploitation within 30 days, higher than 71% of scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of Tor Loco Min you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Kloudq | Tor Loco Min | 1.0 through 3.1 | Not stated |
| Kloudq | Tor Equip Gateway | 1.0 | Not stated |
| Kloudq | Tor Shield | 1.0 | Not stated |
| Kloudq | Tor Lenz | 0.0.1 | Not stated |
Version data comes from NVD's product matching. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
Official description
An issue in Kloudq Technologies Limited Tor Equip 1.0, Tor Loco Mini 1.0 through 3.1 allows a remote attacker to execute arbitrary code via a crafted request to the MQTT component.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How developers prevent this class of flaw
- Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Technical write-ups (may include proof of concept)
- writeups.ayyappan.me/v/tor-iot-mqtt/Exploit, Press/Media Coverage, Third Party Advisory
Recent Improper Authentication vulnerabilities
- 7.8 High severity
- 7.8 High severity
- 8.8 High severity
- 9.8 Critical severity
- 7.1 High severity
- 7.5 High severity
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