Security readout for executives and security teams
Plain-English summary
CVE-2018-9970 is a Foxit Reader remote code execution flaw. A victim must open a malicious file or visit a malicious page. Successful exploitation could run attacker-controlled code with the same privileges as the user running Foxit Reader.
Executive priority
Prioritize remediation where Foxit Reader is used on employee workstations handling external documents. The business risk is phishing or document-based compromise, but urgency is moderated by required user interaction and no cited active exploitation.
Technical view
The flaw affects Foxit Reader 9.0.1.1049 in the XFA execEvent method of Button elements. The source describes missing validation of an object before operations on it, mapped to CWE-416, enabling code execution in the current process.
Likely exposure
Exposure is limited to environments still running Foxit Reader 9.0.1.1049, especially where users handle untrusted PDFs or web-delivered documents.
Exploitation context
The sources require user interaction and do not state active exploitation. CISA KEV is false in the provided bundle, so active exploitation should not be assumed.
Researcher notes
Evidence identifies one affected version and vulnerability location, but the bundle does not provide CVSS, exploit maturity, or a specific patched version. Treat remediation details as dependent on Foxit and ZDI advisory confirmation.
Mitigation direction
- Inventory endpoints for Foxit Reader 9.0.1.1049.
- Review Foxit security bulletins for the vendor-supported fix.
- Upgrade or remove vulnerable Foxit Reader installations per vendor guidance.
- Reduce exposure to untrusted PDFs and web-delivered documents until remediated.
Validation and detection
- Confirm installed Foxit Reader versions across managed endpoints.
- Verify vulnerable version 9.0.1.1049 is absent or remediated.
- Check endpoint telemetry for suspicious Foxit Reader child processes.
- Document remediation status and any systems awaiting vendor-guided updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-416: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-9970 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.foxitsoftware.com/support/security-bulletins.phpCVE reference · x_refsource_CONFIRM
- https://zerodayinitiative.com/advisories/ZDI-18-354CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.