CVE-2020-10062
Zephyr SSL MQTT Off-by-One Buffer Overflow
Description
An off-by-one error in the Zephyr project MQTT packet length decoder can result in memory corruption and possible remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
INFO
Published Date :
June 5, 2020, 6:15 p.m.
Last Modified :
June 12, 2020, 2:20 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2020-10062 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2020-10062.
| URL | Resource |
|---|---|
| https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062 | Vendor Advisory |
| https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4 | Patch Third Party Advisory |
| https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment | Third Party Advisory |
| https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84 | 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).
Toolchains for writing eBPF code and using it as a general programming language
Python Shell Assembly C Makefile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-10062 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-10062 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 -
Initial Analysis by [email protected]
Jun. 12, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) 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://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062 No Types Assigned https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062 Vendor Advisory Changed Reference Type https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4 No Types Assigned https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4 Patch, Third Party Advisory Changed Reference Type https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment No Types Assigned https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment Third Party Advisory Changed Reference Type https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84 No Types Assigned https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84 Third Party Advisory Added CWE NIST CWE-193 Added CPE Configuration OR *cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:* versions up to (including) 2.2.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-10062 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-2020-10062
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
5.51 }} -0.71%
score
0.93049
percentile