CVE-2024-40493
CoAP FreeCoAP Null Pointer Dereference Vulnerability
Description
Null Pointer Dereference in `coap_client_exchange_blockwise2` function in Keith Cullen FreeCoAP 1.0 allows remote attackers to cause a denial of service and potentially execute arbitrary code via a specially crafted CoAP packet that causes `coap_msg_get_payload(resp)` to return a null pointer, which is then dereferenced in a call to `memcpy`.
INFO
Published Date :
Oct. 22, 2024, 10:15 p.m.
Last Modified :
Oct. 25, 2024, 5:01 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2024-40493.
| URL | Resource |
|---|---|
| https://gist.github.com/dqp10515/fe80005e2fb58ed8ada178ac017e4ad4 | Third Party Advisory |
| https://github.com/keith-cullen/FreeCoAP/issues/37 | Exploit Issue Tracking |
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-2024-40493 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-40493 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.
-
Initial Analysis by [email protected]
Oct. 25, 2024
Action Type Old Value New Value 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://gist.github.com/dqp10515/fe80005e2fb58ed8ada178ac017e4ad4 No Types Assigned https://gist.github.com/dqp10515/fe80005e2fb58ed8ada178ac017e4ad4 Third Party Advisory Changed Reference Type https://github.com/keith-cullen/FreeCoAP/issues/37 No Types Assigned https://github.com/keith-cullen/FreeCoAP/issues/37 Exploit, Issue Tracking Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:keith-cullen:freecoap:1.0:*:*:*:*:*:*:* -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 23, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-476 Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L -
CVE Received by [email protected]
Oct. 22, 2024
Action Type Old Value New Value Added Description Null Pointer Dereference in `coap_client_exchange_blockwise2` function in Keith Cullen FreeCoAP 1.0 allows remote attackers to cause a denial of service and potentially execute arbitrary code via a specially crafted CoAP packet that causes `coap_msg_get_payload(resp)` to return a null pointer, which is then dereferenced in a call to `memcpy`. Added Reference MITRE https://github.com/keith-cullen/FreeCoAP/issues/37 [No types assigned] Added Reference MITRE https://gist.github.com/dqp10515/fe80005e2fb58ed8ada178ac017e4ad4 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-40493 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-2024-40493
weaknesses.