Use-after-free in NetBSD - #VU13018
Published: May 27, 2018
Vulnerability identifier: #VU13018
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: NetBSD Foundation, Inc
Affected software:
NetBSD
NetBSD
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error when parsing ICMP packets within NPF. A remote attacker can send a specially crafted ICMP packet and bypass configured firewall rules or perform a denial of service attack.
Remediation
Install update from vendor's website.