WiFi Mouse (Mouse Server): Improper Authentication
CVE-2022-3218 is a critical-severity improper authentication vulnerability in WiFi Mouse (Mouse Server) from Necta, 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 WiFi Mouse (Mouse Server) versions: 1.8.3.4 and earlier; 1.8.2.3 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 74.2% chance of exploitation within 30 days, which is in the top 0.51% of all scored CVEs.
Exploitation in the next 30 days is more likely than not, according to EPSS.
What to do
- Check which version of WiFi Mouse (Mouse Server) 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 |
|---|---|---|---|
| Necta | WiFi Mouse (Mouse Server) | 1.8.3.4 and earlier; 1.8.2.3 and earlier | Not stated |
| Necta | WiFi Mouse Server | 1.7.8.5 | Not stated |
Version data comes from the organisation that assigned the CVE. 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
Due to a reliance on client-side authentication, the WiFi Mouse (Mouse Server) from Necta LLC's authentication mechanism is trivially bypassed, which can result in remote code execution.
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
Patches and release notes
- github.com/rapid7/metasploit-framework/pull/16985Third Party Advisory
Technical write-ups (may include proof of concept)
- packetstormsecurity.com/files/168509/WiFi-Mouse-1.8.3.4-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- github.com/H4rk3nz0/PenTesting/blob/main/Exploits/wifi%20mouse/wifi-mouse-server-rce.pyExploit, Third Party Advisory
- exploit-db.com/exploits/49601Exploit, Third Party Advisory, VDB Entry
- exploit-db.com/exploits/50972Exploit, Third Party Advisory, VDB Entry
Recent Improper Authentication vulnerabilities
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
- 9.8 Critical severity
- 8.8 High severity
- 9.8 Critical severity
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