CVE-2023-41910

critical

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.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-10

https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-06

https://www.debian.org/security/2023/dsa-5505

https://lists.debian.org/debian-lts-announce/2023/09/msg00025.html

https://github.com/lldpd/lldpd/releases/tag/1.0.17

https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b

Details

Source: Mitre, NVD

Published: 2023-09-05

Updated: 2023-09-27

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical