CVE-2023-39984 — UNSUPPORTED WHEN ASSIGNED ** Improper Restriction of Operations within the Bound

UNSUPPORTED WHEN ASSIGNED ** Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Hitachi EH-VIEW (KeypadDesigner) allows local attackers to potentially disclose information and execute arbitray code on affected EH-VIEW installations. User inte

01What is this vulnerability?

UNSUPPORTED WHEN ASSIGNED ** Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Hitachi EH-VIEW (KeypadDesigner) allows local attackers to potentially disclose information and execute arbitray code on affected EH-VIEW installations. User interaction is required to exploit the vulnerabilities in that the user must open a malicious file. NOTE: This…

02Affected products

Vendor	Product	Versions
Hitachi	EH	VIEW — 0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-08-23T01:32:59.247Z
• Last modified: 2024-09-27T01:23:13.618Z

09References

• www.hitachi.com — https://www.hitachi.com/hirt/hitachi-sec/2023/002.html