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CVE Record

CVE-2019-18619: Incorrect parameter validation in the synaTee component of Synaptics WBF drivers using an SGX enclave (all...

Incorrect parameter validation in the synaTee component of Synaptics WBF drivers using an SGX enclave (all versions prior to 2019-11-15) allows a local user to execute arbitrary code in the enclave (that can compromise confidentiality of enclave data) via APIs that accept invalid pointers.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This issue affects Synaptics Windows Biometric Framework fingerprint drivers that use an Intel SGX enclave. A local user could abuse weak parameter validation to run code inside the enclave, potentially exposing protected enclave data. The bundle does not provide a CVSS score or evidence of active exploitation.

Executive priority

Address through endpoint driver hygiene rather than emergency incident response unless local compromise indicators exist. The business risk is data exposure inside biometric driver trusted execution components on affected endpoints, with no bundle evidence of internet-scale or active exploitation.

Technical view

CVE-2019-18619 is incorrect parameter validation in the synaTee component of affected Synaptics WBF drivers before 2019-11-15. APIs accepting invalid pointers may allow local arbitrary code execution inside the SGX enclave, with confidentiality impact for enclave-resident data.

Likely exposure

Exposure is most likely on Windows endpoints with Synaptics WBF fingerprint drivers using an SGX enclave, particularly OEM systems covered by Synaptics, Lenovo, or HP advisories. The provided sources do not identify exact models or CPEs in the CVE bundle.

Exploitation context

The source bundle supports local exploitation only. CISA KEV status is false, and no cited source in the bundle states active exploitation in the wild. Treat this as endpoint-local risk to biometric driver enclave confidentiality, not a remotely exploitable perimeter issue.

Researcher notes

The strongest evidence is the CVE description and Synaptics security brief reference. The bundle lacks CVSS, CWE, exact CPEs, model lists, and exploit telemetry. Avoid broad claims beyond Synaptics WBF drivers using SGX enclaves before 2019-11-15.

Mitigation direction

  • Inventory endpoints with Synaptics WBF fingerprint drivers using SGX enclave support.
  • Apply OEM or Synaptics driver updates dated 2019-11-15 or later.
  • Review Lenovo and HP advisories for affected models and package availability.
  • If updates are unavailable, consult vendor guidance for compensating controls.
  • Prioritize shared, privileged, or high-sensitivity endpoints first.

Validation and detection

  • Check installed Synaptics fingerprint driver version and release date.
  • Confirm whether the driver uses the synaTee SGX enclave component.
  • Map affected assets to HP, Lenovo, or Synaptics advisory coverage.
  • Verify updated driver packages are installed after remediation.
  • Document systems where vendor impact or fixes remain unclear.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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description · low confidence lookup

Execution 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.

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cve · low confidence lookup

CVE-2019-18619 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.