CVE-2018-3851 — In Hyland Perceptive Document Filters 11

In Hyland Perceptive Document Filters 11.4.0.2647 - x86/x64 Windows/Linux, an exploitable stack-based buffer overflow exists in the DOC-to-HTML conversion functionality of the Hyland Perceptive Document Filters version 11.4.0.2647. A crafted .doc document can lead to a stack-base

01What is this vulnerability?

In Hyland Perceptive Document Filters 11.4.0.2647 - x86/x64 Windows/Linux, an exploitable stack-based buffer overflow exists in the DOC-to-HTML conversion functionality of the Hyland Perceptive Document Filters version 11.4.0.2647. A crafted .doc document can lead to a stack-based buffer, resulting in direct code execution.

02Affected products

Vendor	Product	Versions
Hyland Software, Inc.	Perceptive Document Filters	11.4.0.2647 - x86/x64 Windows/Linux

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

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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: 2018-04-26T20:00:00.000Z
• Last modified: 2024-09-17T02:16:49.561Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/104023
• talosintelligence.com — https://talosintelligence.com/vulnerability_reports/TALOS-2018-0534