CVE-2021-27504
Texas Instruments FreeRTOS Integer Overflow
Description
Texas Instruments devices running FREERTOS, malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'malloc' for FreeRTOS, resulting in code execution.
INFO
Published Date :
Nov. 21, 2023, 6:15 p.m.
Last Modified :
Dec. 1, 2023, 8:16 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2021-27504
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.
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-2021-27504.
| URL | Resource |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04 | Third Party Advisory US Government Resource |
| https://www.ti.com/tool/TI-RTOS-MCU | Product |
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-2021-27504 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-27504 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]
Dec. 01, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04 No Types Assigned https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04 Third Party Advisory, US Government Resource Changed Reference Type https://www.ti.com/tool/TI-RTOS-MCU No Types Assigned https://www.ti.com/tool/TI-RTOS-MCU Product Added CWE NIST CWE-190 Added CPE Configuration OR *cpe:2.3:o:amazon:freertos:10.4.1:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:ti:simplelink_cc13xx_software_development_kit:*:*:*:*:*:*:*:* versions up to (excluding) 4.40.00 *cpe:2.3:a:ti:simplelink_cc26xx_software_development_kit:*:*:*:*:*:*:*:* versions up to (excluding) 4.40.00 *cpe:2.3:a:ti:simplelink_cc32xx_software_development_kit:*:*:*:*:*:*:*:* versions up to (excluding) 4.10.03 *cpe:2.3:a:ti:simplelink_msp432e401y:-:*:*:*:*:*:*:* *cpe:2.3:a:ti:simplelink_msp432e411y:-:*:*:*:*:*:*:* -
CVE Received by [email protected]
Nov. 21, 2023
Action Type Old Value New Value Added Description Texas Instruments devices running FREERTOS, malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'malloc' for FreeRTOS, resulting in code execution. Added Reference ICS-CERT https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04 [No types assigned] Added Reference ICS-CERT https://www.ti.com/tool/TI-RTOS-MCU [No types assigned] Added CWE ICS-CERT CWE-190 Added CVSS V3.1 ICS-CERT AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-27504 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-2021-27504
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.07916
percentile