CVE-2018-19448 — In Foxit Reader SDK (ActiveX) Professional 5

In Foxit Reader SDK (ActiveX) Professional 5.4.0.1031, an uninitialized object in IReader_ContentProvider::GetDocEventHandler occurs when embedding the control into Office documents. By opening a specially crafted document, an attacker can trigger an out of bounds write condition

01What is this vulnerability?

In Foxit Reader SDK (ActiveX) Professional 5.4.0.1031, an uninitialized object in IReader_ContentProvider::GetDocEventHandler occurs when embedding the control into Office documents. By opening a specially crafted document, an attacker can trigger an out of bounds write condition, possibly leveraging this to gain remote code execution.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2019-06-17T19:33:25.000Z
• Last modified: 2024-08-05T11:37:11.396Z

09References

• www.foxitsoftware.com — https://www.foxitsoftware.com/support/security-bulletins.php