CVE-2021-43612

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

15/04/2023

Last modified:

06/02/2025

Description

In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it&#39;s possible to trigger an out-of-bounds heap read via short SONMP packets.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:lldpd_project:lldpd::::::::		1.0.13 (excluding)
cpe:2.3:o:fedoraproject:fedora:36:::::::*
cpe:2.3:o:fedoraproject:fedora:37:::::::*
cpe:2.3:o:fedoraproject:fedora:38:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-43612

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools