#VU21990 Out-of-bounds read in Tcpdump - CVE-2018-14466
Published: October 21, 2019
Vulnerability identifier: #VU21990
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-14466
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Tcpdump
Tcpdump
Software vendor:
Tcpdump.org
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-rx.c:rx_cache_find() and rx_cache_insert() functions within the Rx parser. A remote attacker can generate specially crafted RSVP data, trigger out-of-bounds read error and perform denial of service attack.
Remediation
Install updates from vendor's website.