GENESIS64: Incorrect Default Permissions
CVE-2024-7587 is a high-severity incorrect default permissions vulnerability in GENESIS64 from Mitsubishi Electric, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected GENESIS64 versions: Versions 10.97.3 and prior. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.19% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of GENESIS64 you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on mitsubishielectric.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Mitsubishi Electric | GENESIS64 | Versions 10.97.3 and prior | Not stated |
| Mitsubishi Electric | MC Works64 | All versions; all versions | Not stated |
| Mitsubishi Electric Iconics Digital Solutions | GENESIS64 | Versions 10.97.3 and prior | Not stated |
| Mitsubishi Electric | ICONICS Suite | Versions 10.97.3 and prior | Not stated |
| Mitsubishi Electric Iconics Digital Solutions | ICONICS Suite | Versions 10.97.3 and prior | Not stated |
| Mitsubishi Electric | GENESIS32 | Versions 9.70.300.23 and prior | Not stated |
| Mitsubishi Electric Iconics Digital Solutions | GENESIS32 | Versions 9.70.300.23 and prior | Not stated |
| Iconics | genesis64 | 10.97.3 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
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- 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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.8 | High | CNA (yd.MitsubishiElectric.co.jp) |
| CVSS 3.1 | 7.8 | High | NVD |
Official description
Incorrect Default Permissions vulnerability in GenBroker32, which is included in the installers for Mitsubishi Electric GENESIS64 versions 10.97.3 and prior, Mitsubishi Electric Iconics Digital Solutions GENESIS64 versions 10.97.3 and prior, Mitsubishi Electric ICONICS Suite versions 10.97.3 and prior, Mitsubishi Electric Iconics Digital Solutions ICONICS Suite versions 10.97.3 and prior, Mitsubishi Electric GENESIS32 versions 9.70.300.23 and prior, Mitsubishi Electric Iconics Digital Solutions GENESIS32 versions 9.70.300.23 and prior, and Mitsubishi Electric MC Works64 all versions allows a local authenticated attacker to disclose or tamper with confidential information and data contained in the products, or cause a denial of service (DoS) condition on the products, by accessing a folder with incorrect permissions, when GenBroker32 is installed on the same PC as GENESIS64, ICONICS Suite, MC Works64, or GENESIS32.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Incorrect Default Permissions
During installation, installed file permissions are set to allow anyone to modify those files.
How developers prevent this class of flaw
- The architecture needs to access and modification attributes for files to only those users who actually require those actions.
- Compartmentalize the system to have safe areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
More Incorrect Default Permissions vulnerabilities (CWE-276)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
- jvn.jp/vu/JVNVU95548104Mitigation, Third Party Advisory
Third-party and government advisories
- cisa.gov/news-events/ics-advisories/icsa-24-296-01Third Party Advisory, US Government Resource
Other vulnerabilities in GENESIS64
- 9.4 Critical severity
- 7.1 High severity
- 9.2 Critical severity
- 9.3 Critical severity
- 9.3 Critical severity
- 8.2 High severity
Recent Incorrect Default Permissions vulnerabilities
- 8.7 High severity
- 7.8 High severity
- 9.8 Critical severity
- 8.8 High severity
- 7.8 High severity
- 8.8 High severity
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