LG Mobile Devices up to 10 Command AT Command buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.5$5k-$25k0.00

Summaryinfo

A vulnerability was found in LG Mobile Devices 7.2/8.0/8.1/9/10. It has been classified as critical. This vulnerability affects unknown code of the component Command Handler. The manipulation as part of AT Command leads to buffer overflow. This vulnerability is listed as CVE-2020-13839. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in LG Mobile Devices 7.2/8.0/8.1/9/10 (Smartphone Operating System). It has been rated as critical. This issue affects an unknown code block of the component Command Handler. The manipulation as part of a AT Command leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on LG mobile devices with Android OS 7.2, 8.0, 8.1, 9, and 10 (MTK chipsets). Code execution can occur via a custom AT command handler buffer overflow. The LG ID is LVE-SMP-200007 (June 2020).

The weakness was presented 06/05/2020 (Website). It is possible to read the advisory at lgsecurity.lge.com. The identification of this vulnerability is CVE-2020-13839 since 06/04/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/05/2020).

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

See VDB-154030, VDB-154031, VDB-154032 and VDB-154033 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

06/04/2020 🔍
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-2020-13839 (🔍)
GCVE (CVE): GCVE-0-2020-13839
GCVE (VulDB): GCVE-100-156203
See also: 🔍

Entryinfo

Created: 06/05/2020 17:41
Updated: 10/22/2020 14:45
Changes: 06/05/2020 17:41 (39), 06/05/2020 17:46 (18), 10/22/2020 14:45 (1)
Complete: 🔍
Cache ID: 216::103

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