CVE-2024-40493
Oct. 25, 2024, 5:01 p.m.
Tags
CVSS Score
Products Impacted
| Vendor | Product | Versions |
|---|---|---|
| keith-cullen |
|
|
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`.
Weaknesses
CWE-476
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
CWE ID: 476Date
Published: Oct. 22, 2024, 10:15 p.m.
Last Modified: Oct. 25, 2024, 5:01 p.m.
Status : Analyzed
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
cve@mitre.org
CPEs
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | keith-cullen | freecoap | 1.0 | / | / | / | / | / | / | / |
CVSS Data
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
Exploitability Score
Impact Score
Base Severity
CRITICALCVSS Vector String
The CVSS vector string provides an in-depth view of the vulnerability metrics.
View Vector StringCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H