VDB-156207 · CVE-2020-13843 · GCVE-0-2020-13843

LG Mobile Devices Userdata Partition input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in LG Mobile Devices. The impacted element is an unknown function of the component Userdata Partition Handler. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2020-13843. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in LG Mobile Devices (Smartphone Operating System) (affected version not known). This affects some unknown functionality of the component Userdata Partition Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

An issue was discovered on LG mobile devices with Android OS software before 2020-06-01. Local users can cause a denial of service because checking of the userdata partition is mishandled. The LG ID is LVE-SMP-200014 (June 2020).

The weakness was disclosed 06/05/2020 (Website). It is possible to read the advisory at lgsecurity.lge.com. This vulnerability is uniquely identified as CVE-2020-13843 since 06/04/2020. Attacking locally is a requirement. A authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The entries VDB-154030, VDB-154031, VDB-154032 and VDB-154033 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Name

Mobile Devices

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/01/2020 🔍
06/04/2020 +3 days 🔍
06/05/2020 +1 days 🔍
06/05/2020 +0 days 🔍
10/22/2020 +139 days 🔍

Sourcesinfo

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

CVE: CVE-2020-13843 (🔍)
GCVE (CVE): GCVE-0-2020-13843
GCVE (VulDB): GCVE-100-156207
See also: 🔍

Entryinfo

Created: 06/05/2020 17:43
Updated: 10/22/2020 15:09
Changes: 06/05/2020 17:43 (39), 06/05/2020 17:48 (18), 10/22/2020 15:09 (1)
Complete: 🔍
Cache ID: 216::103