Infinite loop in Tcpdump - CVE-2018-16300

 

Infinite loop in Tcpdump - CVE-2018-16300

Published: October 21, 2019


Vulnerability identifier: #VU22019
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-16300
CWE-ID: CWE-835
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 perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in print-bgp.c:bgp_attr_print() function in the BPG parser. A remote attacker can pass specially crafted data to the affected application, consume all available system resources and cause denial of service conditions.


How to mitigate CVE-2018-16300

Install updates from vendor's website.

Sources