SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2024-56318

In raw\TCP.cpp in Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0 before 27ca6ec, there is a NULL pointer dereference in TCPBase::ProcessSingleMessage via TCP packets with zero messageSize, leading to denial of service.

HIGH 7.5EPSS 0.57%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In raw\TCP.cpp in Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0 before 27ca6ec, there is a NULL pointer dereference in TCPBase::ProcessSingleMessage via TCP packets with zero messageSize, leading to denial of service.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.57% probability · 46th percentile
CISA KEV
Not listed
Weakness
CWE-476
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.