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.

SeverityCritical

CVSS9.8

Exploit probability—

ProductLldpd

PublishedSep 5, 2023

First seenSep 5, 2023

How to fix

Update

lldpd_project lldpd1.0.17 or later

Vendor advisories

debian.org/security/2023/dsa-5505

Affected products

Product	Affected versions	Fixed in
lldpd_project lldpd	v < 1.0.17	1.0.17

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