#VU21988 Out-of-bounds read


Published: 2019-10-21

Vulnerability identifier: #VU21988

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2018-14464

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

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

Vendor: Tcpdump.org

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Tcpdump: 4.9.0 - 4.9.2


CPE

External links
http://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


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