NULL Pointer Dereference Affecting keith-cullen/FreeCoAP package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UNMANAGED-KEITHCULLENFREECOAP-8302909
- published24 Oct 2024
- disclosed22 Oct 2024
- creditQingpeng Du
Introduced: 22 Oct 2024
CVE-2024-40493 (opens in a new tab)How to fix?
There is no fixed version for keith-cullen/FreeCoAP.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference via the coap_client_exchange_blockwise2 function. An attacker can cause a system crash and potentially execute unauthorized commands by sending a specially crafted CoAP packet that leads to a null pointer being dereferenced during a memcpy operation.