9.8
CRITICAL
CVE-2020-13839
LG Android MTK Chipset Buffer Overflow Code Execution Vulnerability
Description

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).

INFO

Published Date :

June 5, 2020, 12:15 a.m.

Last Modified :

Nov. 21, 2024, 5:01 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-13839 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Lg g6
2 Lg q6
3 Lg q8
4 Lg v20
5 Lg v30
6 Lg x_cam
7 Lg x300
8 Lg x400
9 Lg x500
10 Lg g7
11 Lg v40
12 Lg cv1
13 Lg cv1s
14 Lg cv3
15 Lg cv5
16 Lg cv7
17 Lg cv7as
18 Lg dh10
19 Lg dh15
20 Lg dh30
21 Lg dh35
22 Lg dh40
23 Lg dh5
24 Lg dh50
25 Lg g8
26 Lg k20
27 Lg k30
28 Lg k40
29 Lg k50
30 Lg q60
31 Lg q70
32 Lg v35
33 Lg v50
34 Lg v60
1 Google android
: Total Affected Vendor : 2 | Products : 35
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-13839.

URL Resource
https://lgsecurity.lge.com/ Vendor Advisory
https://lgsecurity.lge.com/ Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-13839 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-13839 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://lgsecurity.lge.com/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 11, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://lgsecurity.lge.com/ No Types Assigned https://lgsecurity.lge.com/ Vendor Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration AND OR *cpe:2.3:o:google:android:7.2:*:*:*:*:*:*:* *cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* *cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* OR cpe:2.3:h:lg:cv1:-:*:*:*:*:*:*:* cpe:2.3:h:lg:cv1s:-:*:*:*:*:*:*:* cpe:2.3:h:lg:cv3:-:*:*:*:*:*:*:* cpe:2.3:h:lg:cv5:-:*:*:*:*:*:*:* cpe:2.3:h:lg:cv7:-:*:*:*:*:*:*:* cpe:2.3:h:lg:cv7as:-:*:*:*:*:*:*:* cpe:2.3:h:lg:dh10:-:*:*:*:*:*:*:* cpe:2.3:h:lg:dh15:-:*:*:*:*:*:*:* cpe:2.3:h:lg:dh30:-:*:*:*:*:*:*:* cpe:2.3:h:lg:dh35:-:*:*:*:*:*:*:* cpe:2.3:h:lg:dh40:-:*:*:*:*:*:*:* cpe:2.3:h:lg:dh5:-:*:*:*:*:*:*:* cpe:2.3:h:lg:dh50:-:*:*:*:*:*:*:* cpe:2.3:h:lg:g6:-:*:*:*:*:*:*:* cpe:2.3:h:lg:g7:-:*:*:*:*:*:*:* cpe:2.3:h:lg:g8:-:*:*:*:*:*:*:* cpe:2.3:h:lg:k20:-:*:*:*:*:*:*:* cpe:2.3:h:lg:k30:-:*:*:*:*:*:*:* cpe:2.3:h:lg:k40:-:*:*:*:*:*:*:* cpe:2.3:h:lg:k50:-:*:*:*:*:*:*:* cpe:2.3:h:lg:q6:-:*:*:*:*:*:*:* cpe:2.3:h:lg:q60:-:*:*:*:*:*:*:* cpe:2.3:h:lg:q70:-:*:*:*:*:*:*:* cpe:2.3:h:lg:q8:-:*:*:*:*:*:*:* cpe:2.3:h:lg:v20:-:*:*:*:*:*:*:* cpe:2.3:h:lg:v30:-:*:*:*:*:*:*:* cpe:2.3:h:lg:v35:-:*:*:*:*:*:*:* cpe:2.3:h:lg:v40:-:*:*:*:*:*:*:* cpe:2.3:h:lg:v50:-:*:*:*:*:*:*:* cpe:2.3:h:lg:v60:-:*:*:*:*:*:*:* cpe:2.3:h:lg:x300:-:*:*:*:*:*:*:* cpe:2.3:h:lg:x400:-:*:*:*:*:*:*:* cpe:2.3:h:lg:x500:-:*:*:*:*:*:*:* cpe:2.3:h:lg:x_cam:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-13839 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-13839 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.14 }} -0.06%

score

0.50968

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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