Security readout for executives and security teams
Plain-English summary
CVE-2018-10473 is a Foxit Reader flaw that can let an attacker run code if a user opens a malicious file or visits a malicious page. The known affected version is Foxit Reader 9.0.0.29935. Business risk is highest where legacy Foxit Reader is still installed on workstations.
Executive priority
Treat this as a high-priority legacy endpoint cleanup issue. It is not KEV-listed in the provided bundle, but it enables code execution after common user actions involving documents or web pages.
Technical view
The flaw is an out-of-bounds write, CWE-787, in parsing U3D CLOD Base Mesh Continuation structures. Improper validation of user-supplied data can write past an allocated structure and allow code execution in the Foxit Reader process context. It was tracked as ZDI-CAN-5392 and ZDI-18-383.
Likely exposure
Exposure appears limited to vulnerable Foxit Reader 9.0.0.29935 installations. The source bundle does not identify other Foxit products, platforms, or versions as affected. Organizations with unmanaged PDF readers or old desktop images should assume possible residual exposure until inventoried.
Exploitation context
The sources describe remote code execution requiring user interaction: the target must open a malicious file or visit a malicious page. The bundle does not show CISA KEV listing or any cited evidence of active exploitation.
Researcher notes
Key evidence is the ZDI advisory text mirrored in the CVE description. No CVSS vector, patch version, exploit-in-the-wild claim, or broader affected-version range is provided in the bundle, so avoid expanding scope beyond Foxit Reader 9.0.0.29935.
Mitigation direction
- Inventory endpoints for Foxit Reader 9.0.0.29935.
- Check Foxit security bulletins for the vendor-supported fixed version or guidance.
- Upgrade, remove, or replace vulnerable Foxit Reader installations per vendor guidance.
- Reduce handling of untrusted PDFs or web content on systems awaiting remediation.
Validation and detection
- Confirm installed Foxit Reader versions through endpoint inventory or software management records.
- Verify vulnerability scanners specifically flag or clear CVE-2018-10473.
- Review whether vulnerable hosts handle external PDFs or browser-delivered document content.
- Document exceptions where Foxit guidance cannot be applied immediately.
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-787: 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-2018-10473 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-18-383CVE 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.