CVE-2023-41910

lldpd: CDP PDU Packet cdp.c out-of-bounds read

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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.

Se descubrió un problema en lldpd antes de la versión 1.0.17. Al manipular un paquete CDP PDU con TLVs CDP_TLV_ADDRESSES específicos, un actor malicioso puede forzar remotamente al demonio lldpd a realizar una lecutra fuera de límites en la memoria heap. Esto ocurre en cdp_decode in daemon/protocols/cdp.c.

A flaw was found in lldpd due to an out-of-bounds read in cdp_decode at daemon/protocols/cdp.c. By sending a specially crafted CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a remote attacker could cause a denial of service.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2023-09-05 CVE Reserved
2023-09-05 CVE Published
2024-09-30 CVE Updated
2024-10-07 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (6)

URL	Tag	Source
https://github.com/lldpd/lldpd/releases/tag/1.0.17	Release Notes
https://lists.debian.org/debian-lts-announce/2023/09/msg00025.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b	2023-09-27

URL	Date	SRC
https://www.debian.org/security/2023/dsa-5505	2023-09-27
https://access.redhat.com/security/cve/CVE-2023-41910	2024-11-12
https://bugzilla.redhat.com/show_bug.cgi?id=2237411	2024-11-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Lldpd Project Search vendor "Lldpd Project"		Lldpd Search vendor "Lldpd Project" for product "Lldpd"				< 1.0.17 Search vendor "Lldpd Project" for product "Lldpd" and version " < 1.0.17"		-		Affected