Mwid25-ds Firmware: Reliance on Cookies without Validation and Integrity Checking
CVE-2022-28113 is a high-severity reliance on cookies without validation and integrity checking vulnerability in Mwid25-ds Firmware from Fantec, with a CVSS 3.1 base score of 7.2 out of 10. It can be exploited remotely over the network by an attacker with administrator privileges, without any action from a user. Affected Mwid25-ds Firmware versions: 2.000.030. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 3.71% chance of exploitation within 30 days, higher than 90% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Mwid25-ds Firmware you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Fantec | Mwid25-ds Firmware | 2.000.030 | 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
- HighAdministrator-level access is required first.
- 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:H/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.2 | High | NVD |
| CVSS 2.0 | 9.0 | High | NVD |
Official description
An issue in upload.csp of FANTEC GmbH MWiD25-DS Firmware v2.000.030 allows attackers to write files and reset the user passwords without having a valid session cookie.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Reliance on Cookies without Validation and Integrity Checking
The product relies on the existence or values of cookies when performing security-critical operations, but it does not properly ensure that the setting is valid for the associated user.
How developers prevent this class of flaw
- Avoid using cookie data for a security-related decision.
- Perform thorough input validation (i.e.: server side validation) on the cookie data if you're going to use it for a security related decision.
- Add integrity checks to detect tampering.
More Reliance on Cookies without Validation and Integrity Checking vulnerabilities (CWE-565)
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Technical write-ups (may include proof of concept)
- code-byter.com/2022/04/06/fantec-wifi.htmlExploit, Third Party Advisory
- drive.google.com/file/d/1OvpNieX3pYFaZprglr5T0lV0WuLoLcLu/view?usp=sharingExploit, Third Party Advisory
- drive.google.com/file/d/1s1AgI5Dw7_GNenmI-mw0Sx2B9MkNTbc7/view?usp=sharingExploit, Third Party Advisory
- github.com/code-byter/CVE-2022-28113Exploit, Third Party Advisory
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