Use-after-free error in NetBSD - #VU12428
Published: May 8, 2018 / Updated: May 10, 2018
Vulnerability identifier: #VU12428
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.
The weakness exists in the common Tunnel code due to a use-after-free error and a mistake in
pointer initialization. A remote attacker can submit an IPv6 packet, bypass the "local
address spoofing" check, trigger memory corruption and cause the service to crash.
The weakness exists in the common Tunnel code due to a use-after-free error and a mistake in
pointer initialization. A remote attacker can submit an IPv6 packet, bypass the "local
address spoofing" check, trigger memory corruption and cause the service to crash.
Affected software
NetBSD
Remediation
Install update from vendor's website.