Out-of-bounds read in lldpd - CVE-2023-41910
Published: November 12, 2024
Vulnerability identifier: #VU100252
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-41910
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: vincentbernat (Vincent Bernat)
Affected software:
lldpd
lldpd
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition within the cdp_decode() function in daemon/protocols/cdp.c. A remote attacker can send a specially crafted CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, trigger an out-of-bounds read and execute arbitrary code on the system.
How to mitigate CVE-2023-41910
Install updates from vendor's website.