Buffer overflow in Tcpdump - CVE-2018-14879

 

Buffer overflow in Tcpdump - CVE-2018-14879

Published: October 21, 2019


Vulnerability identifier: #VU21995
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-14879
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Tcpdump.org
Affected software:
Tcpdump

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the tcpdump.c:get_next_file() function in the command-line argument parser. A remote attacker can create a specially crafted file, trick the victim into opening it with the affected software, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2018-14879

Install update from vendor's website.

Sources