CVE-2023-41910 — lldpd - security update

Description

An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.

How to fix CVE-2023-41910

To remediate CVE-2023-41910, upgrade the affected package to a fixed version below.

—upgrade to 1.0.11-1+deb11u2 or later
—upgrade to 1.0.3-1+deb10u2 or later
—upgrade to 1.0.11-1+deb11u2 or later

Is CVE-2023-41910 being exploited?

Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.

Affected packages (3)

from 0, < 1.0.11-1+deb11u2
from 0, < 1.0.3-1+deb10u2
from 0, < 1.0.11-1+deb11u2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	CRITICAL9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (1)

ADVISORYsecurity-tracker.debian.org/tracker/CVE-2023-41910