CVE-2023-42138 — Out-of-bounds read vulnerability exists in KV STUDIO Ver

Out-of-bounds read vulnerability exists in KV STUDIO Ver. 11.62 and earlier and KV REPLAY VIEWER Ver. 2.62 and earlier. If this vulnerability is exploited, information may be disclosed or arbitrary code may be executed by having a user of KV STUDIO PLAYER open a specially crafted

01What is this vulnerability?

Out-of-bounds read vulnerability exists in KV STUDIO Ver. 11.62 and earlier and KV REPLAY VIEWER Ver. 2.62 and earlier. If this vulnerability is exploited, information may be disclosed or arbitrary code may be executed by having a user of KV STUDIO PLAYER open a specially crafted file.

02Affected products

Vendor	Product	Versions
KEYENCE CORPORATION	KV STUDIO	Ver. 11.62 and earlier
KEYENCE CORPORATION	KV REPLAY VIEWER	Ver. 2.62 and earlier

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:

Open in Sigma generator →

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: 2023-10-11T08:53:24.872Z
• Last modified: 2024-09-18T15:56:54.316Z

09References

• www.keyence.com — https://www.keyence.com/vulnerability231001
• jvn.jp — https://jvn.jp/en/vu/JVNVU94752076/index.html