#VU21988 Out-of-bounds read

Published: 2019-10-21

Vulnerability identifier: #VU21988

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-14464


Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Server applications / DLP, anti-spam, sniffers

Vendor: Tcpdump.org


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in print-lmp.c:lmp_print_data_link_subobjs() function within the LMP parser. A remote attacker can generate specially crafted LMP data, trigger out-of-bounds read error and perform denial of service attack.

Install updates from vendor's website.

Vulnerable software versions

Tcpdump: 4.9.0 - 4.9.2


External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability