Synaptics WBF Driver on SGX synaTee Parameter release of reference

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Synaptics WBF Driver on SGX. It has been rated as critical. This vulnerability affects unknown code of the component synaTee. Performing a manipulation as part of Parameter results in release of reference. This vulnerability is known as CVE-2019-18619. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability was found in Synaptics WBF Driver on SGX (Hardware Driver Software) (version unknown). It has been classified as critical. This affects an unknown function of the component synaTee. The manipulation as part of a Parameter leads to a release of reference vulnerability. CWE is classifying the issue as CWE-763. The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 07/22/2020 (Website). The advisory is shared at synaptics.com. This vulnerability is uniquely identified as CVE-2019-18619 since 10/29/2019. The exploitability is told to be difficult. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.5
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Release of reference
CWE: CWE-763 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/29/2019 🔍
07/22/2020 +267 days 🔍
07/22/2020 +0 days 🔍
11/05/2020 +106 days 🔍

Sourcesinfo

Advisory: synaptics.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-18619 (🔍)
GCVE (CVE): GCVE-0-2019-18619
GCVE (VulDB): GCVE-100-158865

Entryinfo

Created: 07/22/2020 19:10
Updated: 11/05/2020 09:39
Changes: 07/22/2020 19:10 (38), 07/22/2020 19:15 (18), 11/05/2020 09:39 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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