Out-of-bounds read in Tcpdump - CVE-2018-16227

 

Out-of-bounds read in Tcpdump - CVE-2018-16227

Published: October 21, 2019


Vulnerability identifier: #VU22015
CSH Severity: Low
CVSS v4.0: 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-2018-16227
CWE-ID: CWE-125
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 a boundary error in the print-802_11.c for the Mesh Flags subfield within the IEEE 802.11 parser in tcpdump before 4.9.3. A remote attacker can generate specially crafted data, trigger out-of-bounds read error and perform denial of service attack.


How to mitigate CVE-2018-16227

Install update from vendor's website.

Sources