LG Mobile Device up to 9.0 TrustZone Trusted Application input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in LG Mobile Device up to 9.0. The impacted element is an unknown function of the component TrustZone Trusted Application. Such manipulation leads to input validation. This vulnerability is referenced as CVE-2019-20779. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in LG Mobile Device up to 9.0 (Smartphone Operating System) and classified as problematic. Affected by this issue is an unknown code block of the component TrustZone Trusted Application. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

An issue was discovered on LG mobile devices with Android OS 7.0, 7.1, 7.2, 8.0, 8.1, and 9.0 software. A TrustZone trusted application can crash via crafted input. The LG ID is LVE-SMP-190003 (May 2019).

The weakness was published 04/17/2020 (Website). The advisory is shared for download at lgsecurity.lge.com. This vulnerability is handled as CVE-2019-20779 since 04/17/2020. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/18/2020).

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

Similar entries are available at VDB-154030, VDB-154031, VDB-154032 and VDB-154033. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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

04/17/2020 🔍
04/17/2020 +0 days 🔍
04/18/2020 +1 days 🔍
10/10/2020 +175 days 🔍

Sourcesinfo

Advisory: lgsecurity.lge.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-20779 (🔍)
GCVE (CVE): GCVE-0-2019-20779
GCVE (VulDB): GCVE-100-154040
See also: 🔍

Entryinfo

Created: 04/18/2020 08:47
Updated: 10/10/2020 09:49
Changes: 04/18/2020 08:47 (38), 04/18/2020 08:52 (18), 10/10/2020 09:49 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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