Nako3edit, editor component of nadesiko3 (PC…: Improper Check or Handling of Exceptional Conditions
CVE-2022-41777 is a high-severity improper check or handling of exceptional conditions vulnerability in Nako3edit, editor component of nadesiko3 (PC Version) from Kujirahand, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Nako3edit, editor component of nadesiko3 (PC Version) versions: v3.3.74 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 1.67% chance of exploitation within 30 days, higher than 77% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Nako3edit, editor component of nadesiko3 (PC Version) 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 |
|---|---|---|---|
| Kujirahand | Nako3edit, editor component of nadesiko3 (PC Version) | v3.3.74 and earlier | Not stated |
| Kujirahand | Nadesiko3 | 3.3.74 and earlier | 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
- NoneNo data is disclosed.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.5 | High | NVD |
| CVSS 3.1 | 7.5 | High | CISA (ADP) |
Official description
Improper check or handling of exceptional conditions vulnerability in Nako3edit, editor component of nadesiko3 (PC Version) v3.3.74 and earlier allows a remote attacker to inject an invalid value to decodeURIComponent of nako3edit, which may lead the server to crash.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Check or Handling of Exceptional Conditions
The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.
More Improper Check or Handling of Exceptional Conditions vulnerabilities (CWE-703)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
- github.com/kujirahand/nadesiko3/issues/1325Issue Tracking, Third Party Advisory
Third-party and government advisories
- github.com/kujirahand/nadesiko3/issues/1347Issue Tracking, Third Party Advisory
- jvn.jp/en/jp/JVN56968681/index.htmlThird Party Advisory, VDB Entry
Other vulnerabilities in Nako3edit, editor component of nadesiko3 (PC Version)
- 9.8 Critical severity
Recent Improper Check or Handling of Exceptional Conditions vulnerabilities
- 7.5 High severity
- 7.8 High severity
Samsung Mobile Devices Use-After-Free Exploited
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