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`.
History

Fri, 25 Oct 2024 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Keith-cullen
Keith-cullen freecoap
CPEs cpe:2.3:a:keith-cullen:freecoap:1.0:*:*:*:*:*:*:*
Vendors & Products Keith-cullen
Keith-cullen freecoap

Wed, 23 Oct 2024 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Keithcullen
Keithcullen freecoap
Weaknesses CWE-476
CPEs cpe:2.3:a:keithcullen:freecoap:1.0:*:*:*:*:*:*:*
Vendors & Products Keithcullen
Keithcullen freecoap
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 22 Oct 2024 21:45:00 +0000

Type Values Removed Values 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`.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-10-22T00:00:00

Updated: 2024-10-23T15:50:04.486Z

Reserved: 2024-07-05T00:00:00

Link: CVE-2024-40493

cve-icon Vulnrichment

Updated: 2024-10-23T15:49:57.551Z

cve-icon NVD

Status : Analyzed

Published: 2024-10-22T22:15:04.407

Modified: 2024-10-25T17:01:22.433

Link: CVE-2024-40493

cve-icon Redhat

No data.