6.9
MEDIUM
CVE-2020-10023
Zephyr Shell Buffer Overflow Vulnerability
Description

The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.

INFO

Published Date :

May 11, 2020, 11:15 p.m.

Last Modified :

June 5, 2020, 6:15 p.m.

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

0.3
Public PoC/Exploit Available at Github

CVE-2020-10023 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-10023 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 Zephyrproject zephyr
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-2020-10023.

URL Resource
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023
https://github.com/zephyrproject-rtos/zephyr/pull/23304 Patch Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23646 Patch Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23649 Patch Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29 Third Party 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).

None

CMake C C++ Batchfile Python

Updated: 3 years, 8 months ago
0 stars 0 fork 0 watcher
Born at : Dec. 31, 2020, 12:26 p.m. This repo has been linked 5 different CVEs too.

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

The following list is the news that have been mention CVE-2020-10023 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-10023 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 [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 05, 2020

    Action Type Old Value New Value
    Removed Reference https://docs.zephyrproject.org/latest/security/vulnerabilities.html#CVE-2020-10023 [Vendor Advisory]
    Added Reference https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023 [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 15, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://docs.zephyrproject.org/latest/security/vulnerabilities.html#CVE-2020-10023 No Types Assigned https://docs.zephyrproject.org/latest/security/vulnerabilities.html#CVE-2020-10023 Vendor Advisory
    Changed Reference Type https://github.com/zephyrproject-rtos/zephyr/pull/23304 No Types Assigned https://github.com/zephyrproject-rtos/zephyr/pull/23304 Patch, Third Party Advisory
    Changed Reference Type https://github.com/zephyrproject-rtos/zephyr/pull/23646 No Types Assigned https://github.com/zephyrproject-rtos/zephyr/pull/23646 Patch, Third Party Advisory
    Changed Reference Type https://github.com/zephyrproject-rtos/zephyr/pull/23649 No Types Assigned https://github.com/zephyrproject-rtos/zephyr/pull/23649 Patch, Third Party Advisory
    Changed Reference Type https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29 No Types Assigned https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29 Third Party Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration OR *cpe:2.3:o:zephyrproject:zephyr:1.14.1:*:*:*:*:*:*:* *cpe:2.3:o:zephyrproject:zephyr:2.1.0:*:*:*:*:*:*:*
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-2020-10023 is associated with the following CWEs:

Exploit Prediction

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

0.20 }} 0.01%

score

0.57574

percentile

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